Embibe Experts Solutions for Chapter: Electricity, Exercise 1: Karnataka Board-2020

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Embibe Experts Science Solutions for Exercise - Embibe Experts Solutions for Chapter: Electricity, Exercise 1: Karnataka Board-2020

Attempt the practice questions on Chapter 12: Electricity, Exercise 1: Karnataka Board-2020 with hints and solutions to strengthen your understanding. EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE solutions are prepared by Experienced Embibe Experts.

Questions from Embibe Experts Solutions for Chapter: Electricity, Exercise 1: Karnataka Board-2020 with Hints & Solutions

MEDIUM
10th Karnataka Board
IMPORTANT

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

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

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

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

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

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

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

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EASY
10th Karnataka Board
IMPORTANT

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