EASY
10th Chhattisgarh Board
IMPORTANT
Earn 100

What is a fuse and of what material is it made?

Important Questions on Electric Current and Circuit

MEDIUM
10th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-10>Chapter 6 - Electric Current and Circuit>Exercise>Q 5
Explain Ohm's law in your own words and establish the relation between V and I by drawing a graph. 
EASY
10th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-10>Chapter 6 - Electric Current and Circuit>Exercise>Q 6
If an electric bulb consumes 2400 J energy in a minute, calculate the power of the bulb in watts.
MEDIUM
10th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-10>Chapter 6 - Electric Current and Circuit>Exercise>Q 7
An electric heater has 3 kW, 220 V, stamped on it. Find the value of electric current.
MEDIUM
10th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-10>Chapter 6 - Electric Current and Circuit>Exercise>Q 7
An electric heater has 3 kW, 220 V, stamped on it. Find value of the resistance of the heater.
MEDIUM
10th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-10>Chapter 6 - Electric Current and Circuit>Exercise>Q 7
An electric heater has 3 kW, 220 V, stamped on it. Find the cost (in Rs) of electricity if unit cost is Rs. 1.50/kW h and heater is used for 10 hours.
EASY
10th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-10>Chapter 6 - Electric Current and Circuit>Exercise>Q 8
Why are domestic circuits not arranged in a series combination?
EASY
10th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-10>Chapter 6 - Electric Current and Circuit>Exercise>Q 8
Why is only tungsten metal used to make filaments of bulbs? 
EASY
10th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-10>Chapter 6 - Electric Current and Circuit>Exercise>Q 9
If a current of 0.5 A flows for 20 minutes in a filament of a bulb, then what would be the quantity of electric charge (in coulombs) flowing in the circuit.