Question # 1

1 Pico farad is equal to:

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10^-9F

10¹²F

10^-12F

10^-6F

Which is the best material for making connecting wires:

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Iron

Copper

Tungsten

Nickel

The point through which rays of light pass after reflection from concave mirror is called principal:

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Focus

Circle

Axis

Radius

The base of computer operation are:

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1,2

0, 1

0, 2

1, 10

The ray of light striking to the side of prism is called:

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refraction ray

incident ray

reflected ray

emergent ray

Which wire has lowest resistance?

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Thick wire

Thin wire

Very thin wire

All

D.C. motor converts.

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Mechanical energy into electrical energy

Mechanical energy into chemical energy

Electrical energy into mechanical energy

Electrical energy into chemical energy

At mean position of pendulum, the potential energy of the pendulum is:

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Maximum

Minimum

Much more

Both a and c

The direction of induced e.m.f. in a circuit is in accordance with conservation of.

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Mass

Charge

Momentum

Energy

A parallel circuit is also used as a divider for:

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Power

Resistance

Current

Voltage

The device which converts digital quantities into analog quantities is called:

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ADC

DAC

ACD

CAD

Snell' law is:

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n = sin<x/sin <r

n=sin <i/sin<r

n = sin <r/sin<i

<i/<r

The equivalent resistance in parallel combination is:

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R_c=R₁+R₂+R₃ +.................+R_n

R_c=1/R₁+1/R₂+1/R₃+.................+1/R_n

a and b

None of these

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