In a simple series circuit, using Ohms law, with a known current of 5 amps, and a resistive load of 30 watts, what is the voltage drop?

2017-09-13 10:13 am

回答 (4)

2017-09-13 10:23 am
Ohm's law: V = IR
Thus, P = I²R = I•IR = IV
Then, V = P/I

Voltage drop, V = P/I = 30/5 = 6 V
2017-09-13 10:32 am
6v.
2017-09-15 1:28 pm
30W/5A=6V
2017-09-13 12:11 pm
(A^2)*(R) = 30W
R = (30/25)Ohms
Using Ohm's law:
(5A)*[(30/25)Ohms] = 6 Volts


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