Question

the potential difference between the terminal of electric heater is 60v. when it draws a current of 4A from the source find the resistance of a heater when in use​

Answer 1

We know that

V= IR (Ohms law)

Here,

V= 60V I = 4A

60 = 4 R

R. = 60/4

R. = 15 OHMS

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