EASY
10th CBSE
IMPORTANT
Earn 100

Define the potential difference between two points.

Important Questions on Electricity

EASY
10th CBSE
IMPORTANT
Foundation Science Physics for Class 10>Chapter 4 - Electricity>EXERCISES>Q 4
A dry cell usually has a small cap at one end and a flat surface at the other end. Which of the two is at a higher potential?
EASY
10th CBSE
IMPORTANT
Foundation Science Physics for Class 10>Chapter 4 - Electricity>EXERCISES>Q 5
Name the instruments used to measure electric current and potential difference respectively. Which of these is connected in series and which is connected in parallel in a circuit?
EASY
10th CBSE
IMPORTANT
Foundation Science Physics for Class 10>Chapter 4 - Electricity>EXERCISES>Q 6
What is the shape of the graph between V and I, where V is the potential difference between the ends of a wire and I is the current in it?
EASY
10th CBSE
IMPORTANT
Foundation Science Physics for Class 10>Chapter 4 - Electricity>EXERCISES>Q 7
Consider the units volt, ohm and ampere. One of them is the same as the product of the other two. Which one is this?
EASY
10th CBSE
IMPORTANT
Foundation Science Physics for Class 10>Chapter 4 - Electricity>EXERCISES>Q 8
Name three electrical appliances in which the heating effect of electric current is used.
MEDIUM
10th CBSE
IMPORTANT
Foundation Science Physics for Class 10>Chapter 4 - Electricity>EXERCISES>Q 9
Two bulbs have ratings 100 W, 220 V and 60 W, 220 V. Which one has greater resistance?
MEDIUM
10th CBSE
IMPORTANT
Foundation Science Physics for Class 10>Chapter 4 - Electricity>EXERCISES>Q 10
You have two resistors of resistance 30 Ω and 60 Ω. What resistances can you get by combining the two?
EASY
10th CBSE
IMPORTANT
Foundation Science Physics for Class 10>Chapter 4 - Electricity>EXERCISES>Q 11
Draw a diagram to show two resistors R1 and  R2 connected in series.