Question # 1

Tolerance of "Gold" band.

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±10%

±5%

±15%

±20%

By increasing the temperature of conductor, the flow rate of charges.

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Increase

Remains constant

Decreases

Changes exponentially

The reciprocal of resistance is called.

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Capacitance

Resistance

Conductance

Inductance

A substance having the negative temperature co efficient of resistivity out of the following is.

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Carbon

Iron

Tungsten

Gold

The value of maximum output power is?

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E/4R

E²/4R

E/4R²

Non of above

The SI unit of resistivity is.

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Ohm m-2

Ohm m-1

Ohm m

Ohm

The condition for the wheatstone bridge to be balanced is given by

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None of above

If there is no fourth band, tolerance is shows as

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10%

Three resistors of resistance R each are combined in various ways, Which of the following cannot be obtained?

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3 RΩ

2R /4Ω

R/3Ω

2R /3Ω

When a wire of length 'l' and resistance R is cut into two equal parts then resistivity of each part.

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is doubled

Remains the same

Is halved

Is one fourth

The drift velocity is of order:

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10^-13m/s

10³ m/s

10^-3m/s

10^-4m/s

The current flowing through each resistor of equal resistance in parallel combination is.

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Same

Different

Zero

Infinite

If 1 x 10⁷ electrons passes through a conductor in 1.0 micro second , then the current is.

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2 A

1.6 A

2.6 x 10^-6 A

1.6 x 10^-6 A

Kirchhoff's first rule is the manifestation of the law of conservation of.

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Mass

Charge

Energy

Momentum

For ohmic device the graph between V and I is.

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A straight line

Curve

Hyperbola

Parabola

Resistance tolerance of silver band is.

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10%

6%

7%

5%

Which one of the following bulbs has the least resistance.

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100 W

200 W

500 W

1000 W

What is the resistance of carbon resistor which has band brown black brown.

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100 Ohm

1000 Ohm

10 Ohm

1.0 Ohm

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