RRB Group D 19 Sep 2022 Shift 3 Solved Paper

Question : 70 of 100

Marks: +1, -0

Suppose in a circuit, several electric lamps are required to be used on a 220 V electric supply line, and they are rated as 20 W. If the maximum allowable current is 10 A. then the number of lamps that can be connected in parallel with each other across the two wires of the 220 V line is: