The power of small fan is:
40 W
50 W
60 W
80 W
By keeping resistance constant if we double the voltage then current will be:
Double
4 times
ΒΌ times
Half
the resistance of an ammeter should be:
high
very high
low
constant
When resistances are connected in parallel, the current passing through them is:
Same
Zero
Different
Infinite
The commercial unit of electrical energy is:
Joule
Watt
Kilowatt hour
Electron volt
in a dry cell, chemical energy changes into:
mechanical energy
electrical energy
potential energy
kinetic energy
a fuse is connected in series with:
neutral wire
live wire
earth wire
cable wire
Human skin, in dry conditions, has a resistance of:
20,000 ohm
100,000 ohm
30,000 ohm
2000 ohm
