The unit of electric power is:
Volt
Watt
Joule
Coulomb
100x103 A= :
10-3 A
10-2 A
10 A
10-1A
the resistance of an ammeter should be:
high
very high
low
constant
The value or current I passing through a conductor is inversely proportional to:
Temperature
Potential difference
e.m.f.
resistance
The property of substance, which opposes the flow of current through it is called:
Resistance
Reactance
Resistivity
None
battery is one of the source of:
heat
light
current
sound
