Free Notes for Class 5–12 | CBSE | 24x7 Access
Home Schools Pricing
Log in Get Started
Class 10 Science Medium Mcq English Medium

If the potential difference across a fixed resistor is doubled, the current through it will:

Question
If the potential difference across a fixed resistor is doubled, the current through it will:
Remain the same
Become half
Become double
Become four times
Answer
Become double
Detailed Explanation
Since V = IR and R is constant, doubling V doubles I (I directly proportional to V).
What is the SI unit of electric current? Science · Electricity Electric current is defined as the rate of flow of: Science · Electricity The direction of conventional electric current in a circuit is taken as the direction of flow of: Science · Electricity One coulomb of charge is equivalent to the charge of nearly: Science · Electricity

Want the full Science question bank?

Log in for free to unlock practice tests, notes, and an AI tutor for Class 10.

Get started free