EASY
10th Chhattisgarh Board
IMPORTANT
Earn 100

Why is only tungsten metal used to make filaments of bulbs? 

Important Questions on Electric Current and Circuit

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.
MEDIUM
10th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-10>Chapter 6 - Electric Current and Circuit>Exercise>Q 10
In a house, 4 electric bulbs of 40 watts burn for 5 hours, 2 bulbs of 60 watts for 6 hours and 3 fans of 80 watts run for 6 hours, daily. What would be the cost (in Rs) of electricity, for one month of that home, if the rate is 50 paise per unit?
MEDIUM
10th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-10>Chapter 6 - Electric Current and Circuit>Exercise>Q 11
What would be the effect on the circuit if one bulb out of three bulbs arranged in a series combination becomes fused?
MEDIUM
10th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-10>Chapter 6 - Electric Current and Circuit>Exercise>Q 11
What would be the effect if one bulb out of three arranged in parallel combination malfunctions?
MEDIUM
10th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-10>Chapter 6 - Electric Current and Circuit>Exercise>Q 12

Find the equivalent resistance between A and B in the circuit diagram given below.

Question Image

MEDIUM
10th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-10>Chapter 6 - Electric Current and Circuit>Exercise>Q 13
If a potential difference generated by a battery across a circuit of two bulbs, combined in series, is 6 volts, and the potential difference at the first bulb is 2 volts, find out the potential difference at the second bulb?
MEDIUM
10th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-10>Chapter 6 - Electric Current and Circuit>Exercise>Q 14
If two conducting wires of same length and cross-section are combined first in series and then in a parallel combination, what would be the ratio between the quantity of heat generated in the two series and parallel circuits?
MEDIUM
10th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-10>Chapter 6 - Electric Current and Circuit>Exercise>Q 15
A  9 volt battery is arranged in series combination with resistors of 2 Ω, 3 Ω, 4 Ω, 5 Ω, 12 Ω, what would be the current flowing through 2 Ω ?