Question

resistance R1 and R2 each 60 are connected in series as

Answer 1

Req. = 120 ohm

i = 120/120= 1A

Req. [b/w R2 & v] = 1/60 + 1/120 = 40 ohm

now, v = ir = 1 *40 = 40volt [reading of voltmeter]