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When a 12V battery is connected across an unknown resistor, th

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The values of current I flowing in a given resistor for the corresponding values of potential difference V across the resistor are given below -

Plot a graph between V and I and calculate the resistance of that resistor.

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.

A battery of 9 V is connected in series with resistors of

0.2 Ω, 0.3 Ω, 0.4 Ω, 0.5Ω

and

12 Ω

respectively. How much current will flow through the

12 Ω

resistor?

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Question

Easy

Solving time: 2 mins

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.

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Updated on: Feb 14, 2024

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Science (NCERT)

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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.

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Text solutionVerified

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 1 0^{- 3} R

R = 4.8 \times 1 0^{3} Ω

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Practice more questions from Science (NCERT)

The values of current I flowing in a given resistor for the corresponding values of potential difference V across the resistor are given below -

Plot a graph between V and I and calculate the resistance of that resistor.

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.

A battery of 9 V is connected in series with resistors of

0.2 Ω, 0.3 Ω, 0.4 Ω, 0.5Ω

and

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respectively. How much current will flow through the

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Question Text	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.
Updated On	Feb 14, 2024
Topic	Electricity
Subject	Science
Class	Class 10
Answer Type	Text solution:1 Video solution: 9
Upvotes	976
Avg. Video Duration	4 min

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.

Text solutionVerified

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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.

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