Who discovered magnetic effect of current?
H C Oersted
Michael Faraday
Georg Simon Ohm
Flemming
Key or switch in circuit is placed
Left side of the battery
Right side of the battery
Any where in the circuit
Near the positive terminal of the bulb
Fuse wire is an alloy of
Tin and lead
Copper and lead
Tin and copper
Lead and silver
Which mark is necessary on electric appliances ?
ISI
FICC
AGMARK
KSK
What is the SI unit of charge?
Ampere
Volt
Coulomb
Henry
A fuse wire should have
A low melting point
High melting point
Very high melting point
None of these
A cell is used to
measure current in a circuit
provide current in a circuit
check current in a circuit
prevent current in a circuit
Name the instrument used to measure current.
Altimeter
Ammeter
Galvanometer
Electro meter
Which of the following is a primary cell?
Voltaic cell
Leclanche cell
Daniel Cell
All of the above
The unit of electric current is
Weber
Diopter
Tesla
