Question # 1

In series combination of capacitors, each capacitor will have same:

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Voltage

Charge

Capacitance

Charge and voltage

The coulomb's law is valid for the charges which are:

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moving and point charges

moving and non-point charges

stationary and pont charges

stationary and large size charges

Which technology is used in mobile phone:

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Heat

Radio

Light

Laser

The filament of an electric bulb is made of:

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Nickel

Aluminium

Tungsten

Carbon

It mass of bob o a simple pendulum is doubled, its time period.

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is doubled

become four times

remains same

none of the above

What type of graph is in between V and I?

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Curved

Parabola

Straight line

None of these

When we double the voltage in a simple electric circuit, we double the:

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Current

Power

Resistance

Both a and b

In a convex mirror the size of the image:

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Is smaller than the size of the object

Is greater than the size of the object

Depends upon the position of the object

Is equal to the size of the object

study of charges at rest is called:

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acoustics

electrostatics

electronics

electricity

One coulomb is equal to charge of ________ electrons.

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6.25 x 10^-19

6.25 x 10¹⁹

6.25 x 10¹⁸

6.25 x 10^-18

Wave equation is defined as:

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f = Tλ

f = V λ

V = 2fλ

V = fλ

Which statement of the following is false for primary memory?

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The base of primary memory is electronics

This is a random access memory

It gets lost when computer switches off

It is built on laser technology

Two switches attached in series work on which operation?

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AND operation

OR operation

NOT operation

NOR operation

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