Question

The current through a device is 0.30 A, and the resistance in the device is 20 many 1.5 V batteries are required to run the device?

Answer 1

Explanation:

V=IR

V=0.3x20

V=6

thus to find the number of 1.5v batteries you divide 6 by 1.5

6÷1.5=4

thus four 1.5v batteries are needed