EASY
10th CBSE
IMPORTANT
Earn 100

Draw the electric symbol of variable resistance.

Important Questions on Electricity

EASY
10th CBSE
IMPORTANT
Modern's ABC+ Of Science Physics>Chapter 1 - Electricity>Practice Exercise 1A>Q 9
Draw the following electric symbol:
Electric bulb
HARD
10th CBSE
IMPORTANT
Modern's ABC+ Of Science Physics>Chapter 1 - Electricity>Practice Exercise 1B>Q 1
State Ohm's law. Suggest an activity to demonstrate ohm's law by drawing a circuit diagram. Draw a graph of V versus I.
MEDIUM
10th CBSE
IMPORTANT
Modern's ABC+ Of Science Physics>Chapter 1 - Electricity>Practice Exercise 1B>Q 2
On what factors does resistance depend? Explain.
MEDIUM
10th CBSE
IMPORTANT
Modern's ABC+ Of Science Physics>Chapter 1 - Electricity>Practice Exercise 1B>Q 3
For three resistors connected in series, prove that the equivalent resistance is equal to the sum of the individual resistances.
MEDIUM
10th CBSE
IMPORTANT
Modern's ABC+ Of Science Physics>Chapter 1 - Electricity>Practice Exercise 1B>Q 4
For Three resistors connected in parallel, prove that the equivalent resistance Rp is given by
1RP=1R1+1R2+1R3
EASY
10th CBSE
IMPORTANT
Modern's ABC+ Of Science Physics>Chapter 1 - Electricity>Practice Exercise 1B>Q 5
Find the equivalent resistance of three resistors of 2Ω, 3Ω, 4Ω when connected in series in ohms. (Write only the magnitude without units)
EASY
10th CBSE
IMPORTANT
Modern's ABC+ Of Science Physics>Chapter 1 - Electricity>Practice Exercise 1B>Q 5

Find the equivalent resistance of three resistors of 2Ω, 3Ω, 4Ω when connected in parallel in ohms.

(Write only magnitude of the answer up-to two decimals without any units in the given box)

EASY
10th CBSE
IMPORTANT
Modern's ABC+ Of Science Physics>Chapter 1 - Electricity>Practice Exercise 1B>Q 6
A wire of resistance 20 Ω is bent in the form of closed circle. The effective resistance between two points at the ends of any diameter of the circle is _____ Ω.