EASY
10th Maharashtra Board
IMPORTANT
Earn 100

Give Scientific reason.
Tungsten metal is used to make a solenoid type coil in an electric bulb.

Important Questions on Effects of Electric Current

MEDIUM
10th Maharashtra Board
IMPORTANT
Science and Technology Standard Ten Part - 1>Chapter 4 - Effects of Electric Current>Exercise>Q 7
Give Scientific reason.
In the electric equipment producing heat e.g., iron, electric heater, boiler, toaster etc., an alloy such as Nichrome is used, not pure metals.
EASY
10th Maharashtra Board
IMPORTANT
Science and Technology Standard Ten Part - 1>Chapter 4 - Effects of Electric Current>Exercise>Q 7
Give Scientific reason.
For electric power transmission, copper or aluminium wire is used.
EASY
10th Maharashtra Board
IMPORTANT
Science and Technology Standard Ten Part - 1>Chapter 4 - Effects of Electric Current>Exercise>Q 7
Give scientific reason.
In practice, the unit kWh is used for the measurement of electrical energy, rather than joule.
EASY
10th Maharashtra Board
IMPORTANT
Science and Technology Standard Ten Part - 1>Chapter 4 - Effects of Electric Current>Exercise>Q 8
Which of the statement given below correctly describes the magnetic field near a long, straight current-carrying conductor?
MEDIUM
10th Maharashtra Board
IMPORTANT
Science and Technology Standard Ten Part - 1>Chapter 4 - Effects of Electric Current>Exercise>Q 9
What is a solenoid? Compare the magnetic field produced by a solenoid with the magnetic field of a bar magnet. Draw neat figures and name various components.
MEDIUM
10th Maharashtra Board
IMPORTANT
Science and Technology Standard Ten Part - 1>Chapter 4 - Effects of Electric Current>Exercise>Q 10

Name the following diagram and explain the concept behind them.

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EASY
10th Maharashtra Board
IMPORTANT
Science and Technology Standard Ten Part - 1>Chapter 4 - Effects of Electric Current>Exercise>Q 10

Name the following diagrams and explain the concept behind them.

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EASY
10th Maharashtra Board
IMPORTANT
Science and Technology Standard Ten Part - 1>Chapter 4 - Effects of Electric Current>Exercise>Q 11

Identify the figures and explain their use.

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