This voltage is needed to cause a current of 200 mA to flow in a lamp of 25 ohm resistance:
a. 5 volt
b.
c. 175 volt
d. 225 volt
Your answer "b" is not correct. "a" is the right answer.
E = I x R
= 0.2 x 25
= 5 volts.
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Home » Ohm's Law » 8 » b This voltage is needed to cause a current of 200 mA to flow in a lamp of 25 ohm resistance: a. 5 volt b. c. 175 volt d. 225 volt
Your answer "b" is not correct. "a" is the right answer.
E = I x R = 0.2 x 25 = 5 volts. Next |