यदि बल का परिमाण चौगुना करना हो और दूरी समान रखनी हो तो कौन सा बदलाव सही है?

If force magnitude must be made four times while distance remains same which change is correct?

Explanation opens after your attempt
Correct Answer

A. दोनों आवेश दोगुने करना / Double both charges

Step 1

Concept

Distance is same so force changes through charge product.

Step 2

Why this answer is correct

Doubling both charges makes product four times.

Step 3

Exam Tip

Therefore force becomes four times. चरण 1: दूरी समान है इसलिए बल आवेशों के गुणनफल से बदलेगा। चरण 2: दोनों आवेश दोगुने होने से गुणनफल चार गुना होता है। चरण 3: इसलिए बल चार गुना हो जाएगा।

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