Value of âkâ depends upon:
System of unit
Nature of medium
Both a and b
None of these
Each volt of lightening contains energy:
4x106 joules
1000 joules
1000 million joules
10 joules
Simplest electrical circuits use:
One wire
Two wires
Four wires
Five wires
If one of the resistors in a parallel circuit is removed, the total resistance will be:
Doubled
Decreased
Increased
Remain same
If the field is stronger than lines of force are to each other:
Far away
Separated
Closer
No effect
1 volt is equal to:
JC
JC-1
JC-2
JC-3
The electrostatic force acting on two charges each of 1C separated by 1m is about:
9X109 N
9X10-9 N
9X108 N
9X10-8 N