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LAKHMIR SINGH & MANJIT KAUR-Electric Current And its Effects-EXERCISE
- Give the electrical symbols for : a battery of four cells
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- Draw the electrical symbols for a bulb (or lamp) .
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- Draw the electrical symbols for an open switch.
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- Draw the electrical symbols for a closed switch.
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- Draw a circuit diagram which includes the following : A cell, a bulb...
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- Draw a circuit diagram which includes the following : A battery of t...
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- Draw the circuit diagram to represent the circuit shown below.
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- Name five appliances (or devices) in which electric cells are used.
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- State applications of heating effect of electric current.
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- When does an electric short-circuit occur?
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- Explain the importance of using in a household electric circuit (i) fu...
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- How can overloading in the electric circuit be avoided ?
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- Explain why, any metal wire or metal strip cannot be used in place of ...
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- What type of elastic fuse is used in electrical appliances like car st...
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- What type of elastic fuse is used in electrical appliances like car st...
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- What might happen if a fuse is not inserted in household electric wiri...
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- What might happen if a fuse is not inserted in household electric wiri...
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- Do you think an electromagnet can be used for separating plastic bags ...
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- State the uses of electromagnetic radiations.
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- Why do we use iron for making an electromagnet and not steel ?
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