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Question :
(a)(1) Show different types of voltmeters commonly used.
(2) A basic d'Arsonval meter movement with an internal resistance Rm = 100 ?,and a full scale current of Im = 1mA is to be converted into a multi-range d.c.voltmeter with ranges of 0-10 V,0-50 V, 0-250 V and 0-500 V. Find the values of the various multiplier resistances
(b) With the help of a circuit diagram explain the functioning of the peak responding voltmeters
(c) Compare the merits and demerits of analog voltmeters with digital voltmeters.
(d) What are the the main source of measurement errors encountered while using a Wheatstone bridge for precise measurement of resistances.
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The normalized signal xn(t) has a bandwidth of 10 kHz and its power content is 0.5 W, while the carrier Ac cos 2πfct has a power content of 200W. Find the bandwidth and the power c
Calculate total resistance among terminal A and B for the circuit below.
Test Schedule - Meter Testing The test schedule as per the Central Electricity Authority Regulations on Installation and Operation of Meters is given below. Table: Test S
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Q. Explain the block diagrtam of D.C. voltmeter with direct coupled amplifier. Sol. D.C, voltmeter with direct coupled Amplifier The D.C. electronic voltmeters
i dont understand why equalizer connection is not used in wave windings?
Unconditional Call Instruction CALL ( Unconditional Call) Instructions :This instruction calls the subroutine program stored at memory location specified in the instruction
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