Question # 1

The shape of magnetic lines of force in case of a straight current carrying conductor is:

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Eliptical

Trangular

Rectangular

Circular

According to Fleming's left hand rule the direction of magnetic field is indicated by:

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Thumb

Forefinger

Middle finger

Right hand rule

An object gains excess negative charge after being rubbed against another object, which is:

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Neutral

Negatively charged

Positively charged

Either, a, b or c

The standard group of bits in digital electronic is:

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5 bits

6 bits

7 bits

8 bits

Which type of energy is converted into mechanical energy in the D.C. Motor.

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Magnetic energy

Heat energy

Electrical energy

Chemical energy

Which device is used to increases / decreases A.C Voltage?

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Electric motor

Transformer

A.C Generator

Solenoid

The number of lines of force in a magnetic field depends upon.

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Shape of coil

Sixe of coil

Magnet

Strength of field

If current is flowing from bottom end to the top end in a wire, according to right hand rule the direction of line of forces would be:

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Anti-clock wise

Clock wise

Left and Right

Along the conductor.

A.C generator works on the principle of:

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Electrostatic induction

Electromagnetic induction

Law of gravitation

Third law of motion

Who discovered Electromagnetic induction?

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Michael Faraday

Flemiing

Ohm

Coulomb

In A.C. generator flux will be zero if coil is to the field.

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90^o

45^o

Parallel

Inclined

Which animal have ability to move his eye lens:

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Snake

Fish

Ant

Tiger

Eight bits combine to form:

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A byte

Megabyte

Kilobyte

Gigabyte

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