When an animal touches an .electric-fence. the ani mal gets a shock by completing an electrical circuit.When a bird perches on the electric fence, the bird will not get a shock. Why?

When an animal touches an .electric-fence. the ani mal gets a shock by completing an electrical circuit.How much charge passes through the animal, if it receives a current pulse of 20mA for 0.1 seconds.

Never switch on or swich off electricity when there is a leakage of LPG Why?

If a person standing on the earth touches a phase line , will she get an electric shock ? Why ?

When the magnetic flux associated with a coil changes an emf is induced in the circuit. When an electrical appliance is switched off, sparking occurs, Why?