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Q. A 10-hp, 230-V dc shunt motor takes a full- load line current of 40 A. The armature and field resistances are 0.25 and 230 , respectively. The total brush-contact drop is 2 V, and the core and rotational losses are 380 W. Assume that stray- load loss is 1%of output. Compute the efficiency of the motor.
A battery having of 5 cells with emf and internal resistance of every cell is 1.5V and 0.25Ω connected in series. If the current flow by load resistance is 1.5A, calculate the valu
what is a verniercallipar?what is its uses in labs?why it is using o meassure he diameer and volume of cylendars?what is its least count?what is zero error?
(a) How transistor will be used as an amplifier? (b) Give relation between α and β? (c) Show the biasing arrangement for the PNP transistor in common base configuration, so t
Characteristics of Common Source Amplifier At low frequencies and by using a simplified hybrid-pi model, the following small-signal characteristics can be derived.
Q. What is a clipper circuit? Clipping circuits are linear wave shaping circuits. The main function of 'clipper' is that it clips off a part of input waveform i.e., it cut off
Three equal impedances of D ohms resistance and C inductive reactance are connected in a DELTA configuration. The line voltage is A00 volts. Determine the line current, phase cur
Distinguish between ferromagnetic and diamagnetic materials, mentioning at least one example of each. Ferromagnetic Materials: These are materials wherein magnetic dipoles in
How to design an Oscillator Circuit (500 MHz range) with no Op amps?
Q. What do you mean by Binary Multiplication? The Rules of Binary Multiplication 0 x 0 = 0 0 x 1 = 0 1 x 0 = 0 1 x 1 = 1 , and no carry or borrow
Define Gain and Phase Responses? Expressing H(e j? ) in polar form as: H (e j? ) = G (?) e jφ(?) G(?) is the "gain" of the discrete-time system and φ(?) is the "phas
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