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The rate of flow of an electric charge is known as

• Electric potential
• Electric current
• None of these
• Option 4

The SI unit of electric  current is

• Ohm
• Volt
• Ampere
• Options

Water in the waterfall flows from higher level to the lower level because of------

• Gravitational attraction
•  potential differences
• None of these
• Option 4
• Option 5

In an electric circuit electrons flow from a point of------ potential

• Lower
• Higher
• Very low
• Option 4

The differences between the electrostatic potentials of the positive end and the negative ends of an electric cell is the------ of cell

• Unit potential differences
• Potential differences
• None of these
• Option 4
• Option 5

Tree electric cell of potential differences 1.5 v each have been connected as a battery the potential differences of the battery will be -------v

• 6.5V
• 7.5V
• 4.5V
• Option 4

An electric current flowing in a wire creates -----around the wire

• Magnetism
• Copper
• Lithium
• Option 4

The SI unit of force is-----

• Dyne
• Newton
• Joule
• Option 4

------ are used in our  radiosets Wall clocks and torches

• Dry cell
• Electric cell
• Lead acid cell
• Option 4

------Cell are used in cars trucks motorcycles

• Ni- cd cell
• Electric cell
• Lead acid cell
• Option 4

Water or a liquid flows from a higher level to a lower level

When lightning strikes the ground from cloud a large current does not flows

The dry cell are used in our radio sets

Lead acid cell are used in clock and torches

The system of coil and the screw is called an electromagnet

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