When a 12V battery is connected across an unknown resistor- there is a current of 2-5 mA in the circuit- Find the value of the resistance of the resistor-

Question

Toppr Admin · Accepted Answer

Given- V-12-xA0-V-xA0- -xA0- -xA0- -xA0- -xA0- -xA0- I-2-5-xA0-mALet the resistance be RBy Ohm-apos-s Law-xA0-V-IR12-2-5-xD7-10-x2212-3RR-4-8-xD7-103-xA0-x3A9-

When a 12V battery is connected across an unknown resistor, there is a current of 2.5 mA in the circuit. Find the value of the resistance of the resistor.

Given: $V = 12 V$
$I = 2.5 m A$
Let the resistance be $R$

By Ohm's Law,
$V = I R$
$12 = 2.5 \times 10^{- 3} R$
$R = 4.8 \times 10^{3} Ω$

When a 12V battery is connected across an unknown resistor, there is a current of 2.5 mA in the circuit. Find the value of the resistance of the resistor.

Given: V=12 V I=2.5 mALet the resistance be RBy Ohm's Law, V=IR12=2.5×10−3RR=4.8×103 Ω

Given: $V = 12 V$
$I = 2.5 m A$
Let the resistance be $R$

By Ohm's Law,
$V = I R$
$12 = 2.5 \times 10^{- 3} R$
$R = 4.8 \times 10^{3} Ω$