Question

the potential difference applied to the terminals of a portable radio is 9.0 volts find the resistance of the radio if a current of 25 m a is flowing through it ​

Answer 1

360 OHM is the answer of potential

we know

V=IR

here,

potential difference (V)= 9V

current (I)=25mA

and 1mA=0.001A

so,25 mA=2511000A

R=V/I

R=(9× 1000)/25

R= 360 ohm

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