Generation of electricity

The examples of renewable energy are

• Hydro energy

• Solar energy

• Coal energy

• Biomass energy

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............. Is the inventor of electricity.

• Michael Faraday

• Alon Musk

• Leonardo de Vinci

• Isaac Newton

Choose the best answer to explain the generation of induced current:

• Movement of wire causes the magnetic field lines to be cut.

• The solenoid or wire produced the induced current .

• Movement of magnet causes the magnetic field lines to be cut.

• The galvanometer is an apparatus which connects the current.

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The thermal power energy change is

• Kinetic energy ---- chemical energy ---- heat energy ---- electric energy

• Chemical energy ---- heat energy ---- kinetic energy ---- electric energy

• Solar energy ---- electric energy

• Potential energy ---- kinetic energy ---- heat energy ---- electric energy

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NGSS.MS-PS3-4

A ________ is a tall metal structure to which transmission cables carrying electricity are fixed so that they are safely held high above the ground.

Choose the best device which using direct current (d.c)

• Torchlight

• Air conditioner

• Toy car

• Bread toaster

Choose the best statements to explain Cathode Ray Oscilloscope.

• Use to show the differences in the shape of graph of a.c, d.c, and voltage change

• Used to shows the pulse rate

• To change the alternating current to direct current

• To change the voltage into current.

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Magnet is use to

• Attract or repels metals

• To produce magnetic field and resonance.

• Induced electric.

• Direction of compass

Tags

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