Physics GK · all questions

Electricity and Magnetism
practice.

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Q141

How many types of connections in electric circuit are-

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Q142

A voltmeter is an instrument which can detect the presence of . . . . . . . .

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Q143

Among various electrical safety devices, one based on the heating effect of electric current is called a

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Q144

Safety fuse wire used in domestic electrical appliances is made of metal of low

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Q145

Which among the following is not a conductor of electricity?

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Q146

If two resistances of 2 Ω are connected in parallel, what will be the resulting resistance?

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Q147

Alternating current is converted to direct current

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Q148

For which of the following substances, the resistance decreases with increase in temperature?

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Q149

What is in substance that makes it super conductor substance?

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Q150

What gases are filled in fluorescent tube?

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Q151

In a circuit, there is only one path to carry electric current to flow is ?

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Q152

When two or more resistors are connected sequentially to each other, they are attached . . . . . . . .

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Q153

In 1785, who used the calibrated torsion balance to measure the force between electric charges?

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Q154

The direction of magnetic field at any location on the earth's surface is commonly specified in terms of

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Q155

Which of the following equipment is used to transform chemical energy into electrical energy?

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Q156

Indicate the false statement about the resistance of a wire.

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Q157

When electric current passes through a wire, everytime a deflection occurs in the measuring needle. Whom among the following firstly observed this carefully.

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Q158

A battery illuminates a bulb. What type of conversion occurs in this process?

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Q159

The heat produced by current in wire during time t is determined by . . . . . . . .

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Q160

An electric fan of 300 W is used daily for 8 hours. The amount of energy used by that fan in a day will be . . . . . . . . units.

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