A car radio is rated at 35 watts when it is connected to a 14 v circuit. a) what is the resistance of the radio? b) what is the current the radio will draw?
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Answer:
current is I=2.5 amperes and resistance= 5.6 ohms
Explanation:
because we know that the one of the formula of power is p= VI
here,
35=14.I or I=35/14 = 2.5 amperes
then,
V=IR or R=V/I =14/2.5 = 5.6 ohms
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