Positive charge in an electric field always tend to move:
Does not move
From lower to higher potential
From higher to lower potential
All of these
If there is divergence of leaves by touching a body with electroscope then the body is:
Semi conductor
Neutral
charge body
Insulator
Value of âkâ depends upon:
System of unit
Nature of medium
Both a and b
None of these
Simplest electrical circuits use:
One wire
Two wires
Four wires
Five wires
The property of substance, which opposes the flow of current through it is called:
Resistance
Reactance
Resistivity
None
The value of K in SI unit is:
9X1020 Nm2C2
8X109Nm2C2
9X109Nm2C2
10X10-9 Nm2C-2
