Bubbles of gas are given off at the wires in the acid because of the
Magnetic effect of current
Heating effect of current
Lighting effect of current
Chemical action of current
The obstruction to the flow of electric current is called
Potential
Charge
Resistance
Potential difference
Which is the cause of flow of electric current in the conductor?
Power
Which of the following statements does not represent ohm's law?
Current/potential difference =Constant
Potential difference/current
Potential difference=Current*resistance
Current=resistance * Potential difference
The rate of flow of electric charge is called
Current
The unit of resistance is
Ampere
Ohm
Coulomb
Volt
Good conductors have very low
Resistivity
Conductivity
e.m.f
Two parallel metal plates separated by an insulator is called the
Resistor
Capacitor
Switch
Circuit
The current is the same at all points in a
Series circuit
Parallel circuit
All circuits
In LED circuit
