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PRADEEP-MAGNETIC EFFECTS OF ELECTRIC CURRENT-Mock Test
- What are the magnetic lines of force? Give their important properties.
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- How can it be shown that a magnetic field exists around a wire through...
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- What is the advantage of the third wire of each connection in domestic...
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- On what factors does the force experienced by a current-carrying condu...
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- State two ways by which the strength of an electromagnet can be increa...
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- What is the difference between an electromagnet and a permanent magnet...
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- What are the functions of: (i) kWh meter (ii) distribution board and (...
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- How can a soft iron piece be transformed into an electromagnet? Draw a...
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- Why does a compass needle get deflected when brought near a bar magnet...
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- The flow of a current in a circular loop of a wire creates a magnetic ...
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- What are magnetic field lines? How is the direction of magnetic field ...
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- Why is series arrangement not used for domestic circuits?
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- State the characteristics of magnetic force.
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- Though currently there is little scientific evidence to suggest that m...
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- What is the difference between the terms overloading and short-circuit...
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- The use of magnetic therapy for pain relief has become increasingly po...
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- A student performs an experiment to study the magnetic effect of curre...
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- (i) What is the meaning of the term 'frequency' of an alternating curr...
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- Explain with a labelled diagram, the principle, construction and worki...
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- Write the characteristics of magnetic field lines. Draw the magnetic f...
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- You are given following current-time graph from two different sources,...
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