Question

Q3 In making a battery

(a) positive terminal of one cell is connected to the negative terminal of the next cell

(b) positive terminal of one cell is connected to the positive terminal of the next cell

(c) negative terminal of one cell is connected to the negative terminal of the next cell

(d) none of the above

Q4 Which one of the following is based on the heating effect of current?

(a) Geyser

(b) Hair dryer

(c) Immersion rod

(d) All of these​

Answer 1

Answer:

Ans 3= a) positive terminal of one cell is connect to the negative terminal of next cell