Please select a subject first
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Describe construction and working of a photo cell with the help of neat diagram.
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The internal energy of one mole of argon at 300 K is ______. (R = 8.314 J/mol.K)
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When the load resistance across a solar cell is zero, the current in the external circuit passed by the solar cell is called ______.
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The de-Broglie wavelength of the electron in the hydrogen atom is proportional to ______.
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State the dimensions of magnetization.
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State the dimensions of magnetization.
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What is the rotational analogue of Newton's second law of motion?
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State and define the SI unit of mutual inductance.
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The speeds of a particle performing linear SHM are 8 units and 6 units at respective displacements of 6 cm and 8 cm. Find its period and amplitude.
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The molar specific heat of He at constant volume is 12.47 J/mol.K. Two moles of He are heated at constant pressure. So the rise in temperature is 10 K. Find the increase in internal energy of the gas.
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Two coils having self inductances L1 = 75 mH and L2 = 55 mH are coupled with each other. The coefficient of coupling (K) is 0. 75. Calculate the mutual inductance (M) of the two coils
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Define peak value of alternating signal.
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A steam engine delivers 4.8 x 108 Jof work per minute and services 1.2 x 109 J of heat per minute from its boiler. What is the percentage efficiency of the engine?
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A spring balance has a scale that reads from 0 to 50 kg. The length of the scale is 20 cm. A body suspended from this balance, when displaced and released osillates with a period of 0.6 sec. What is the weight of the body?
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The rms speed of molecules of a certain gas at 300 K is 400 m/ s. The rms speed if the gas is heated to 600 K is ______.
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Explain the output characteristics of common emitter configuration of n-p-n transistor.
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A system releases 125 kJ of heat while 104 kJ work is done on the system. Calculate the change in internal energy.
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Explain the Domain theory in brief.
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Explain the Domain theory in brief.
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