The flux through each turn of a 100-turn coil is (t3 - 2t) mWb, where tis in seconds. The induced emf at t = 2 s is                     (Answer needed with explanation and why )   (a) 1 V (b) -1 v (c) 4 mV (d) 0.4 v (e) -0.4 V

Q: The characteristic of the UJT exhibits the following values: n = 0.575, R81 = 10 k-ohms, Vv = 1.3 V,…

A: a) According to the intrinsic stand off ratioη=RB1RB1+RB20.575=10k10k+RB2RB2=7.39kΩ

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A: Rise time from the poles given on the graph is determined as shown below

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A:

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A: Given:Turns, N=1000Area, A= 4cm2=4×10-4 m2mean diameter, D=20cm=0.2m

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A: (a) The induced emf in the coil is given by Faraday law as shown below:

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A: The explanation is as follows.

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A: Flux and current are in phase

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A: The explanation is as follows.

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Q: What is the current I2 for the magnetically coupled circuit in the figure?

A: What is the current I2 for the magnetically coupled circuit in the figure? the options are:

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A: Please find the attachment below

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A: Given a magnetic ring has, Reluctance = 1.675×106 ATweber Flux = 800×10-6 weber.

Q: The coil winding in PMMC meter is -1 small heavy large fine

A: Given  The coil winding in PMMC meter is

DC Generator

An electromechanical machine which converts input mechanical energy to respective output electric energy is called a generator.