Question # 1

Five joules of work is needed to shift 10 C of charge from one place to another The potential difference between the places is.

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0.5 V

2 V

5 V

10 V

A capacitor is connected to a battery The fore of attraction between the plate when the separation between them is halved will

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Remain the same

Become twice

Become 4 times

Become 8 times

In a crystal lattice

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Atoms are arranged in an order way

Atoms are arranged in a random way

Holes are arranged in an order way

Electrons are arranged in an order way

Electromotive force is closely related to.

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Inductance

Magnetic flux density

Potential difference

Electric field intensity

The minimum value of charge on any object is.

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1.6 x 10^-29 C

1.6 x 10^-19 C

1.6 x 10^-9 C

1 C

As a positively charged rod is brought closer and closer to a positively charged electroscope the gold leaf.

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diverges

Converges

is neutralized

Is unaffected

Inductance divided by resistance and the product of capacitance and resistance both have units of.

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Charge

Time

Force

Current

If we make the magnetic field stronger the value of induced emf is.

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Decreased

Increased

Vanished

Kept constant

Conductance is the reciprocal of

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Inductance

Capacitance

Resistance

Admittance

Induced current in a circuit depends upon

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The speed with which the conductor moves in the magnetic field

Resistance of the loop

Direction of the loop

Shape of the loop

Which two terminal passive electronic component implements electrical resistance as a circuit element.

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Capacitor

Inductor

Resistor

Transformer

A heart coil is out into two equal parts and only one part is now used in the heater The heat generated will be.

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Halved

One fourth

Doubled

4 times

The energy supplied in charging a capacitor resides after the charging in.

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The magnetic field

The electric field

the battery

The moving conduction charges

What is the direction of the magnetic field lines inside a bar magnet.

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From north pole to south pole

From south pole to north pole

From side to side

There are no magnetic field lines

Which one fo the following is based on the diffraction and repulsion of electric charge.

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Capacitor motor

Transformer

Induction motor

synchronous motor

In a n-type material there is an excess of.

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Free electrons

Holes

Quarks

Measons

Work can be stored in an inductor as.

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Elastic P.E.

Electrical P;E.

Gravitational energy

K.E.

When a magnet is moved into the coil of wire there is a small reading on the galvanometer Which change would increase the size of the reading.

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Pushing in the S-pole

Pulling the magnet out

Unwinding some of the turns of wire

Moving the magnet faster

A charge kept at the centre of a shell The shell has charge Q and radius R The force on the central charge due to shell is

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in the upward direction

Towards left

Towards right

Zero

What information is given by the tangent to a field that point of electric field.

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Magnitude

Direction

Proper unit

Dimensions

Electric field lines

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Start from a negative charge and terminal ate on a positive charge

Never cross each other

Always cross each other

Leaving a positive charge are not proportional to the maginitud of charge

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