Question # 1

Transformer works on _______ supply.

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A.C

D.C

Battery

Both A and B

The step-up transformer

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Increases the input current

Increase the input voltage

Has more turns in the primary

Has less turns in hte secondary coil

George Boole invented:

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Boolean algebra

Arithmetic algebra

Mean algebra

Geometry

According to Fleming's left hand rule the direction of force on the conductor is given by:

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Thumb

Fore finger

Middle finger

None of these

In compound microscope, the objective have focal length than eye-piece:

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Smaller

Larger

Equal

Equal and larger

When a current carrying conductor is placed in magnetic field at right angle to it. The direction of force acting upon it is:

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The same as direction of field

Opposite the direction of field

Makes an angle of 45^owith the current

At right angle to both the field and the current.

The minimum value of angle of deviation is called:

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Minimum angle

Incident angle

Angle of minimum deviation

None of these

The force on a current carrying conductor is maximum if angle between field and conductor is:

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0^o

90^o

180^o

45^o

The turn ratios of a transformer is 10. It means.

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I_s = 10I_p

N_s = N_p

N_s = 10 N_p

V_s =V_p /10

In totally reflecting prism one angle is of:

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45°

90°

180°

120°

In SI the unit of charge is:

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Joule

Volt

Coulomb

Watt

According to coulomb’s law, what happens to the attraction of two oppositely charged objects as their distance of separation increases:

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Increases

Decreases

Remains unchanged

Cannot be determined

Eight bits combine to form:

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A byte

Megabyte

Kilobyte

Gigabyte

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Physics 10th Class English Medium Unit 6 Online Test MCQs With Answers

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