Unit 14 Array Physics 10th Class Punjab MCQ Tests
10th Class Physics Unit 14 MCQ Tests
Unit 14 of 10th Class Physics has 49 questions. If you take an online MCQ test, the system will randomly choose the questions. If you want to take the quiz by chapter then click the start test button.
Total Questions: 49
Total Marks: 49
Time: 50 Mins
Total Questions: 49
Total Marks: 49
Time: 50 Mins
50Min : 00 Sec Remaining
Question # 1
Why the filament bulb doesn\'t obey Ohm\'s law?
Question # 2
Two resistances of 2 k Ω and 8 k Ω are connected in series. If a 10 V battery is connected across the ends of this combination, what will be the equivalent resistance and current passing through each resistance?
Question # 3
The current in an electric heater is 12 A. It is switched on for seven minutes. How much charge flows through the heater?
Question # 4
Why bends in a wire do not effect its electrical resistance?
Question # 5
Why is AC transfer more effective than DC transfer over long distances?
Question # 6
Electric power enters our house through
Question # 7
Increase in which of the following factors causes an increase in the resistance of a wire?
Question # 8
A wire has a resistance of 8 Ω . A second wire, made of the same material, has half the length and twice the cross-sectional area, as compared to that of the first wire. What is the resistance of the second wire?
Question # 9
Time a current of 30 mA takes to deliver 30 C charge is
Question # 10
An electric bulb is marked with 220 V, 100 W. What is the energy in kilowatt-hour consumed by the bulb in one month, if it has been used for 5 hours daily?
Question # 11
Which of the following is a characteristic of a fuse wire?
Question # 12
If 1 A of current passes through a bulb that consumes 1 J of energy then potential difference is
Question # 13
Where is the fuse connected in the circuit?
Question # 14
Which of the following represents unidirectional current?
Question # 15
Value of specific resistance depends upon
Question # 16
Which of the following causes conventional current?
Question # 17
Human body is
Question # 18
When the resistances are connected in series, which of the following statements is true about them?
Question # 19
How can an ammeter be used in a circuit?
Question # 20
Which of the following currents passes from a point at higher potential to a lower potential?
Question # 21
Ampere second could be the unit of
Question # 22
If a 900 V source is connected in a series circuit, voltage is divided across three series resistors of V 1 = 300 V, V 2 = 280 V and V 3 . What is the value of V 3 ?
Question # 23
Two resistances of 6 k Ω and 12 k Ω are connected in parallel. A 6 V battery is connected across the ends of this circuit. What is the equivalent resistance and potential difference across each resistance?
Question # 24
What should be the length of a copper wire of 3 mm diameter so that the resistance is equal to 0.005 Ω ? Specific resistance of copper is 1.69 × 10 − 8 Ω m .
Question # 25
The image shows the current-voltage graph of two filament lamps. Which of the following statements is true?
Question # 26
Five resistors are connected with a 6 V battery. What is the voltage across resistor R 3 , if zero voltage is measured across all resistors except R 3 ?
Question # 27
The resistance of a conductor wire is 10 M Ω . If a potential difference of 100 volt is applied across its ends, then what will be the value of current passing through it in mA?
Question # 28
Each home appliance is connected to main supply through a fuse and a switch. Which of the wires of electric supply is connected through fuse and switch?
Question # 29
Equivalent resistance in a parallel resistance circuit when resistances are 2 ohm, 3 ohm and 6 ohm, and V = 6 V is
Question # 30
In order to measure current through resistance ,
Question # 31
If a live wire comes in contact with metal casing, excess current moves to which of the following?
Question # 32
The resistance of an electric bulb is 450Ω. What is the power consumed by the bulb when a potential difference of 300 V is applied across its ends?
Question # 33
What is the resistance of the filament of a bulb, if the bulb is marked with 220 V, 100 W?
Question # 34
Formula written as V(Q/T) is of
Question # 35
If the length of copper wire is 1 m and its diameter is 2 mm, then what is the resistance of this copper wire? (specific resistance of copper is 1.69 × 10 − 8 Ωm )
Question # 36
Circuit breaker works on which of the following principles?
Question # 37
Why power companies supply AC, not DC?
Question # 38
How long a current of 10 mA takes to deliver 30 C of charge?
Question # 39
Which of the following is not the same as watt?
Question # 40
A pipe with larger cross sectional area than other offers
Question # 41
A light bulb is switched on for a time of 40s. If the electrical energy consumed by the bulb during this time is 2400 J, what is the power of the bulb?
Question # 42
Which of the following statements is true about a discharge tube?
Question # 43
What type of electrical component is a circuit breaker?
Question # 44
Amount of heat and light energy converted per second by a bulb of 60 W is
Question # 45
Why is electric potential of Earth taken as zero?
Question # 46
The ohm\'s law applies under which of the following conditions?
Question # 47
Conversion of temperature into electric voltage is done with
Question # 48
A circuit contains two un-equal resistances in parallel
Question # 49
If we double both the current and the voltage in a circuit while keeping its resistance constant, what will happen to the power?
Total Questions
12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849
Question # 1
Why the filament bulb doesn\'t obey Ohm\'s law?
Question # 2
Two resistances of 2 k Ω and 8 k Ω are connected in series. If a 10 V battery is connected across the ends of this combination, what will be the equivalent resistance and current passing through each resistance?
Question # 3
The current in an electric heater is 12 A. It is switched on for seven minutes. How much charge flows through the heater?
Question # 4
Why bends in a wire do not effect its electrical resistance?
Question # 5
Why is AC transfer more effective than DC transfer over long distances?
Question # 6
Electric power enters our house through
Question # 7
Increase in which of the following factors causes an increase in the resistance of a wire?
Question # 8
A wire has a resistance of 8 Ω . A second wire, made of the same material, has half the length and twice the cross-sectional area, as compared to that of the first wire. What is the resistance of the second wire?
Question # 9
Time a current of 30 mA takes to deliver 30 C charge is
Question # 10
An electric bulb is marked with 220 V, 100 W. What is the energy in kilowatt-hour consumed by the bulb in one month, if it has been used for 5 hours daily?
Question # 11
Which of the following is a characteristic of a fuse wire?
Question # 12
If 1 A of current passes through a bulb that consumes 1 J of energy then potential difference is
Question # 13
Where is the fuse connected in the circuit?
Question # 14
Which of the following represents unidirectional current?
Question # 15
Value of specific resistance depends upon
Question # 16
Which of the following causes conventional current?
Question # 17
Human body is
Question # 18
When the resistances are connected in series, which of the following statements is true about them?
Question # 19
How can an ammeter be used in a circuit?
Question # 20
Which of the following currents passes from a point at higher potential to a lower potential?
Question # 21
Ampere second could be the unit of
Question # 22
If a 900 V source is connected in a series circuit, voltage is divided across three series resistors of V 1 = 300 V, V 2 = 280 V and V 3 . What is the value of V 3 ?
Question # 23
Two resistances of 6 k Ω and 12 k Ω are connected in parallel. A 6 V battery is connected across the ends of this circuit. What is the equivalent resistance and potential difference across each resistance?
Question # 24
What should be the length of a copper wire of 3 mm diameter so that the resistance is equal to 0.005 Ω ? Specific resistance of copper is 1.69 × 10 − 8 Ω m .
Question # 25
The image shows the current-voltage graph of two filament lamps. Which of the following statements is true?
Question # 26
Five resistors are connected with a 6 V battery. What is the voltage across resistor R 3 , if zero voltage is measured across all resistors except R 3 ?
Question # 27
The resistance of a conductor wire is 10 M Ω . If a potential difference of 100 volt is applied across its ends, then what will be the value of current passing through it in mA?
Question # 28
Each home appliance is connected to main supply through a fuse and a switch. Which of the wires of electric supply is connected through fuse and switch?
Question # 29
Equivalent resistance in a parallel resistance circuit when resistances are 2 ohm, 3 ohm and 6 ohm, and V = 6 V is
Question # 30
In order to measure current through resistance ,
Question # 31
If a live wire comes in contact with metal casing, excess current moves to which of the following?
Question # 32
The resistance of an electric bulb is 450Ω. What is the power consumed by the bulb when a potential difference of 300 V is applied across its ends?
Question # 33
What is the resistance of the filament of a bulb, if the bulb is marked with 220 V, 100 W?
Question # 34
Formula written as V(Q/T) is of
Question # 35
If the length of copper wire is 1 m and its diameter is 2 mm, then what is the resistance of this copper wire? (specific resistance of copper is 1.69 × 10 − 8 Ωm )
Question # 36
Circuit breaker works on which of the following principles?
Question # 37
Why power companies supply AC, not DC?
Question # 38
How long a current of 10 mA takes to deliver 30 C of charge?
Question # 39
Which of the following is not the same as watt?
Question # 40
A pipe with larger cross sectional area than other offers
Question # 41
A light bulb is switched on for a time of 40s. If the electrical energy consumed by the bulb during this time is 2400 J, what is the power of the bulb?
Question # 42
Which of the following statements is true about a discharge tube?
Question # 43
What type of electrical component is a circuit breaker?
Question # 44
Amount of heat and light energy converted per second by a bulb of 60 W is
Question # 45
Why is electric potential of Earth taken as zero?
Question # 46
The ohm\'s law applies under which of the following conditions?
Question # 47
Conversion of temperature into electric voltage is done with
Question # 48
A circuit contains two un-equal resistances in parallel
Question # 49
If we double both the current and the voltage in a circuit while keeping its resistance constant, what will happen to the power?
Total Questions
12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849
Physics MCQ Test by Topics
- +14.1 ELECTRIC CURRENT
- +14.1 Conventional Current
- +14.1 The Measurement of Current
- +14.2 POTENTIAL DIFFERENCE
- +14.3 ELECTROMOTIVE FORCE (e.m.f)
- +14.3 The Measurement of Potential Difference
- +14.3 The Measurement of e.m.f
- +14..4 OHM'S LAW
- +14.4 Unit of Resistance: ohm
- +14.5 V-I Characteristics of Ohmic and Non Ohmic Conductors
- +14.6 FACTORS AFFECTING RESISTANCE
- +14.7 CONDUCTORS
- +14.8 INSULATORS
- +14.9 COMBINATION OF RESISTORS
- +14.9 Equivalent Resistance of Series Circuit
- +14.9 Equivalent Resistance of Parallel Circuit
- +14.10 ELECTRICAL ENERGY AND JOULE'S LAW
- +14.11 ELECTRIC POWER
- +14.12 DIRECT CURRENT AND ALTERNATING CURRENT
- +14.12 Supply to a House
- +14.12 House Wiring
- +14.13 HAZARDS OF ELECTRICITY
- +14.13 Insulation Damage
- +14.13 Damp Conditions
- +14.14 SAFE USE OF ELECTRICITY IN HOMES
- +14.14 Fuse
- +14.14 Circuit Breaker
- +14.14 Earth wire
Physics
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Updated on: 17-05-2026
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