Question # 1

The product of charge ‘q’ and potential difference is equal to:

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Power

Force

Capacitance

Energy

Which type of capacitor is cylindrical in shape:

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Paper capacitor

Mica capacitor

Variable capacitor

Plates capacitor

The unit of electrical energy is:

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Joule

Watt

Volt

Electron volt(eV)

In electrostatic all charges are in:

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The same direction

Opposite direction

Motion

Static state

Which device is used to show the change in the value of current or electrical potential as a graph?

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Cathode ray tube

Electron gun

Oscilloscope

Transformer

To protect the gold leaves of electroscope from the external electric disturbances, the aluminum foil is grounded by a thin wire, which is made up of:

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Aluminum

Silver

Copper

Brass

If Current flowing through switch then the output is expressed as:

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0

1

-1

2

What does a switch do:

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Oppose the current

Open and close the circuit

Store energy

Provide voltage

If we double the distance between two charges, then force becomes:

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4-times

¼ th

Double

Half

Big unit of capacitance is:

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Farad

Volt

Watt

Coulomb

The converter of digital to analogue signal is:

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ADC

DAC

DATC

DTC

SI unit of electric intensity is:

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Watt

NC^-1

NS^-1

Nm

The particles emitted from a hot cathode surface are:

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Positive ions

Negative ions

Proton

Electron

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10th Class Physics Chapter 16 Introductory Electronics English Medium KPK Boards Online Mcqs MCQs With Answers

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