Millionaire Mode

Thermal effect of electric current - class-XII

Question 1 of 84

In any electric circuit, when the switch is on and the current is flowing through it why do the wire, switches, bulb or devices in the circuit become hot?

  1. Because of the heating effect of electric current
  2. Because of the magnetic effect of electric current
  3. Because of the luminous effect of electric current
  4. None of these

Prize Money

15₹7 Crores
14₹1 Crore
13₹50,00,000
12₹25,00,000
11₹12,50,000
10₹6,40,000
9₹3,20,000
8₹1,60,000
7₹80,000
6₹40,000
5₹20,000
4₹10,000
3₹5,000
2₹2,000
1₹1,000