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10th Class General Science Unit 7 Chemical reactions and their Practical Applications English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
The instrument that measures current is called.
Choose an answer
Voltmeter
Circuit breaker
Ammeter
Switch
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Question # 2
The SI unit of capacitance is:
Choose an answer
Farad
Ampere
Ohm
Newton
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Question # 3
Resistance ' R" is equal to.
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I
V
V/I
I/V
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Question # 4
Ammeter is used to.
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Measure the current
Detect the current
Measrue the voltage
None of them
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Question # 5
In Ohm's law V =
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V/I
I
RI
R/I
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Question # 6
According to ohm's law , current and potential difference are:
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Inversely proportional
Directly proportional
Equal
Non of the above
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Question # 7
A device that decreases or increases the A.C voltage:
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Transformer
Ammeter
Voltmeter
Fuse
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Question # 8
The device use to store electric current:
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Fuse
Switch
Resistor
Capacitor
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Question # 9
Voltmeter is used to.
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Measure current
Measure potential difference
Measure voltage
Both a and b
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Question # 10
The unit of current in System International is.
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Ampere
Volt
Ohm
Newton
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Question # 11
Voltmeter is connected in.
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Parallel position
Series position
Both a and b
None of these
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Question # 12
V
s
/ V
p is equal to.
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Vp / Vs
Np / Ns
Ns / Np
None
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Question # 13
The working principle of transformer:
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Electromagnetic conduction
Electrostatic induction
Electric charge
Neutralization
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Question # 14
The SI unit of resistance:
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Volt
Ampere
Ohm (Ω)
Farad
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Question # 15
The Si unit of current is:
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Ohm
Ampere
Kilowatt
Coulomb
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Question # 16
The SI uinit of Capacitance.
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Farad
Micro Farad
Ohm
Volt
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Question # 17
Multi - meter is an instrument which can be used to measure:
Choose an answer
Current
Resistance
Potential difference
all of the above
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Question # 18
The device used for turning a circuit ON or OFF is.
Choose an answer
Switch
Fuse
Circuit breaker
Earth wire
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