the magnifying power of a simple microscope can be increased
if we use eye piece of
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In general, alternating voltage varies between its maximum and minimum values 50 times per cycle. Why don't the circuit element show such fluctuation?
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What type(amount) of capacitors are used in fan?
Explain what is different between secondary electron image and back scattered electron image?
Explain the Modes of Transfer of Heat ?
A coil consisting of 200 turns of wire has its ends connected to a circuit such that the total resistance of the coil and the circuit is 2.0 ohm. There is no source of e.m.f. in the circuit. Each turn of the coil is a square of side 18 cm, and a uniform magnetic field directed perpendicular to the plane of the coil is turned on. If the field changes linearly from 0 to 0.5 T in 0.8 s, what is the magnitude of the current in the coil while the field is changing?
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What is Lunar module?
why the ammeter and voltmeter has a circle representation
What is Refraction ?
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All elements with an atomic number greater than what number are unstable?
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