Three resistors, each of resistance $12 Ω$ , are connected in parallel. What is the equivalent resistance?

Important Questions on Electricity

MEDIUM

10th CBSE

IMPORTANT

Foundation Science Physics for Class 10>Chapter 4 - Electricity>EXERCISES>Q 11

A uniform wire of resistance

R

is cut into two equal pieces, and these pieces are joined in parallel What is the resistance of the combination?

EASY

10th CBSE

IMPORTANT

Foundation Science Physics for Class 10>Chapter 4 - Electricity>EXERCISES>Q 12

You have three resistors of

9

ohms each. By combining them what can be (a) the highest resistance, and (b) the lowest resistance? (c) How can you combine them to get a resistance of

12 Ω

?

MEDIUM

10th CBSE

IMPORTANT

Foundation Science Physics for Class 10>Chapter 4 - Electricity>EXERCISES>Q 13

How will you join the resistors of resistances

3 Ω, 6 Ω

and

8 Ω

to get an equivalent resistance of

10 Ω

?

MEDIUM

10th CBSE

IMPORTANT

Foundation Science Physics for Class 10>Chapter 4 - Electricity>EXERCISES>Q 14

Find the current through the circuit shown in Figure. Also, find the potential difference across the $20 Ω$ resistor.

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HARD

10th CBSE

IMPORTANT

Foundation Science Physics for Class 10>Chapter 4 - Electricity>EXERCISES>Q 15

Find (a) the equivalent resistance, (b) the current passing through the cell, and, c) the current passing through the $30 - Ω$ resistor in the circuit shown in Figure .

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