EASY
10th Karnataka Board
IMPORTANT
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Write the circuit symbol of p-n-p transistor.

Important Questions on Electricity

MEDIUM
10th Karnataka Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 12 - Electricity>Karnataka Board-2019>Q 2
Draw the diagram of an electric circuit in which the resistors R1, R2 and R3 are connected in parallel including an ammeter and a voltmeter and mark the direction of the current.
MEDIUM
10th Karnataka Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 12 - Electricity>Karnataka Board-2019>Q 3
According to Joule’s law of heating, mention the factors on which heat produced in a resistor depends. According to this law write the formula used to calculate the heat produced.
MEDIUM
10th Karnataka Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 12 - Electricity>Karnataka Board-2019>Q 4
An electric refrigerator rated 400 W is used for 8 hours a day. An electric iron box rated 750 W is used for 2 hours a day. Calculate the cost of using these appliances for 30 days, if the cost of 1 kWh is Rs.3/-.
MEDIUM
10th Karnataka Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 12 - Electricity>Karnataka Board-2019>Q 5
How does overload and short-circuit occur in an electric circuit ? Explain. What is the function of fuse during this situation?
MEDIUM
10th Karnataka Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 12 - Electricity>Karnataka Board-2020>Q 6

Observe the given circuit diagram.

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Calculate the total resistance and the total current flowing through the circuit.

MEDIUM
10th Karnataka Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 12 - Electricity>Karnataka Board-2020>Q 7
What is the meaning of the statement “The potential difference between two points is 1 V” ? Name the device used to measure potential difference. What is resistance of a conductor? What is electric power? Write three formulae used to find electric power.
MEDIUM
10th Karnataka Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 12 - Electricity>Karnataka Board-2018>Q 9

Observe the following figure. Which property of diode is indicated here? Explain that property.

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EASY
10th Karnataka Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 12 - Electricity>Karnataka Board-2019>Q 1
The resistance of a conductor is 27 Ω. If it is cut into three equal parts and connected in parallel, then its total resistance is