Magnetic Effect Of Electric Current Questions and Answers

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3 answers

The diagram in figure 7 below shows one method of making a magnet. What polarity is at X and Y when the switch is closed.

asked Aug 23, 2021 in Physics Form 2 by anony mous

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1 answer

The figure below shows an electromagnet

asked Aug 6, 2021 in Physics Form 2 by anonymous

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1 answer

Figure shows a simple fire alarm

asked Aug 5, 2021 in Physics Form 2 by anony mous

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1 answer

The figure shows an electromagnet. State the polarities at X and Y.

asked Jul 28, 2021 in Physics Form 1 by anony mous

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1 answer

A student designed a transformer to provide current to an electric bell marked 24W,6V from mains supply of 240V. He wound coils 50 turns and N turns on an iron ring. When he connected the coil of 50 turns to the bell and N turns to the a.c source he found out that the transformer was only 60% efficient. Find;

asked Jul 14, 2021 in Physics Form 2 by anony mous

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1 answer

The diagram below shows a suspended uniform beam of weight 4N in equilibrium under the action of the force shown. The weight of the magnet is 8N.

asked Jul 13, 2021 in Physics Form 1 by anony mous

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