Which is not an e.m.f source:
Generator
Solar cell
Battery
Rheostat
The direction of electric field lines due to positive charge is:
A way from the charge
Towards the charge
Both a and b
None of these
Static electricity can be generated by:
Lubrication
Friction
Motion
Smaller the objects
NOT gate is also called:
Converter
Inverter
Transmitter
Receiver
The sensation of sound persists in our brain for:
0.1 sec
0.01 sec
1 sec
10 sec
When resistances are connected in parallel, the current passing through them is:
Same
Zero
Different
Infinite
The galvanometer has been named after the scientist:
Lewis
Lowry bronsted
Luigi Galvano
Galvano Einstein