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Q. Give suitable block diagram to explain the working of electronic multimeter.
Sol. An electronic multimeter is a laboratory instrument which is capable of measurement of DC and AC current, voltage and resistance. The multimeter is just like as PMMC meter. To measure DC current the meter acts as an ammeter with low series resistance. Range changing is accomplished by shunts in such a way that the current passing through the meter does not exceed the maximum rated value.
Basically a multimeter consists of an ammeter, voltmeter and ohmmeter combined with a function switch to connect the appropriate circuit to the D' Arsonval movement.
Q. A transistor has a base current i B = 25 µA, α = 0.985, and negligible ICBO. Find β, iE, and i .
Draw layout of hydro-electric power plant and illustrate it briefly. Explain the following: a. Types of power plants b. Selection of power Plants
Q. A three-phase transformer bank consisting of three 10-kVA, 2300:230-V, 60-Hz, single-phase transformers connected in Y- is used to step down the voltage. The loads are connecte
Control Signals There are two control signals and one special (ALE) in this category. All these signals are output signals. RD (Read signal ) it is an active low
Q. Explain the application of clippers. There are numerous clipper applications. In general clippers are used to perform one of the following two functions: · Changing the s
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A circuit having of a resistor connected in series with a 0.5µF capacitor and has a time constant of 12 ms. Verify: (a) The value of the resistor (b) The capacitor voltage
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XOR gate BY using NAND gate Only
Explain Stator of a Synchronous Machine? The stator of a synchronous machine is made of thin laminations of highly permeable (silicon) steel in order to reduce the core losses.
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