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(a) For the Zener diode series voltage regulator shown in the Figure. calculate VL, IZ, VR and PZ for RL= 1.2 KΩ and repeat it for RL= 3 KΩ ?
Consider Zener breakdown voltage = 10 V and PZM = 30 mW
(b) Calculate Q point ( IC, VCE) for the network shown? Assume β = 75
Charge and Electric Force The proton has a charge of +1.602 10 -19 coulombs (C), while the electron has a charge of -1.602 × 10 -19 C. The neutron has zero charge. Electric c
One battery having of eight cells in parallel. Emf and internal resistance of every cells is 1.5V and 0.4Ω. Find the value of current if an external resistance of 5Ω is connected t
L=0.0053nH, C=15µF find the operating frequency of series LC circuit. What factors decides capacitance ..
analyse the motion of aircraft
Aloudspeaker is a common electrochemical transducer in which vibration is caused by changes in the input current to a coil which, in turn, is coupled to a magnetic structure that c
short notes on thermal runaway
Work must be done against the electromagnetic torque in order to generate the voltage (and current) supplied to the electrical load connected to the generator. Therefore energy con
Q. What do you mean by Waveforms? We are often interested in waveforms, which may not be constant in time of particular interest is a periodic waveform, which is a time-varying
Draw the hysteresis loop for a soft magnetic material and compare it with the hysteresis loop of hard magnetic material. Give two examples of each. Soft and hard magnetic mate
Sparking : In ordinary domestic situations, small electrical sparks are usually not hazardous. In certain conditions which are frequently encountered in science labs, even the sma
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