Question

Science Question paper 2020 CBSE Class 10th​

Answer 1

Answer:

500mA = 0.5 A

R = R1 + R2 = R1+10

V = IR

R = V/I

R1+10 = 6/0.5 = 12

R1 + 10 = 12

R1 = 12 - 10 = 2

resistance of the lamp = 2 ohms .

hope it is helpful................................