Question

1. The unit of electric current is*

1 point

A

V

I

S

2. The unit of electric resistance is *

1 point

ampere

volt

ohm

ohm meter

3. 1 joule of work is done in moving one coulomb of charge from one point to another is called
*

1 point

one ampere

one volt

one joule

one coulomb

4. If n resistors of equal resistance R are connected in series then the effective resistance is *

1 point

nR

R/n

n/R

nnR

5. The unit of resistivity is *

1 point

ohm

ohm m

ohm/m

m

6. The reciprocal of electrical resistivity is called *

1 point

conductivity

resistance

conductance

resistivity

7. 1 Horse power is equal to.... watt
*

1 point

756

746

736

766

8. The first commercial LED TV introduced by *

1 point

Philips

BPL

Samsung

Sony

9. ............... wire sends the the current from the body of the appliance to the earth

*

1 point

live

neutral

Earth

copper

10. In India the frequency of AC cycle is *

1 point

50Hz

100 Hz

150 Hz

200 Hz​

Answer 1

Answer:

1. A

2. ohm

3. one volt

4. nR

5. ohm/m

6.conductance

7. 746 volt

8. BPL

9. copper

10. 100Hz

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