1. . Satellite power requirement is provided through –

Lead-acid batteries

Dry cell

Solar cells

Nickel cadmium cell

2. One Horse power is equal to –

5.50 foot pound/ second

55.00 foot pound/ second

550 foot pound/second

5550 foot pound/second

3. For an R-L load-

Active Power is better than apparent power

Reactive Power is better than apparent power

Apparent power is better than both active and reactive power

All the equal

4. Which is the highest system voltage in Bangladesh ?

33KV ACr

132KV AC

230 KV AC

230 KV HV DC link

5. Which one of the following semi-conductor ?

Copper

Silicon

Neon

Lithium

6. The number of electron in the outermost orbit of carbon atom is ?

8

2

4

6

7. If the length and cross section of piece of conductor are both doubted what be its resistance(initial resistance R)?

4R

2R

R

0.25R

8. The ratio of resistance of a 100W, 220V lamp to that of 100W lamp will be nearly-

4

8

1/4

1/২

9. Ampere second could be the unit of –

Power

Conductance

Energy

Charge

10. Which is the lightest particle of an atom?

Neutron

Electron

Proton

All