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Q. With a direct current of I A, the power expended as heat in a resistor of Ris constant, independent of time, and equal to I2R. Consider Problem and find in each case the effective value of the current to give rise to the same heating effect as in the ac case, thereby justifying that the rms value is also known as the effective value for periodic waveforms.
Q. Show Applications for DC Machines? Dc motors find wide applications in which control of speed, voltage, or current is essential. Shunt motors with constant speed are used fo
ie rule for guard wire
Continuity Equations These equations are fundamentally particle conservation equations: Electron continuity equation: ∂n /∂t = (1/q) (∂j N / ∂X) + G N - R N Hole c
Q. It is desired to cut a λ/4 length of RG58A/U cable (ε r = 2.3) at 150MHz.What is the physical length of this cable?
Quick ratio A stringent indicator that determines whether a firm has enough short-term assets to cover its immediate liabilities without selling inventory. It is calculated as
We shall demonstrate load-line analysis to find the diode current and voltage, and then compute the total power output of the battery source in the circuit of Figure (a), given the
Decimal to binary Conversion To convert a decimal number to binary any one of the followings two methods can be used. Methods1 : This is very common methods of co
explain speed control of dc motor
Q. Find the output voltage in terms of the input voltage? In order to illustrate the insensitivity of feedback circuits to variations of the op-amp parameters, let us consider
Question: a). Draw the energy diagram of a pn junction: (i) at thermal equilibrium, (ii) when a forward bias with magnitude half the built in potential (V = φk/2) is applie
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