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Calculate the value of resistor:
1. What are the significant differences in the way ammeters and voltmeters are connected. If an ammeter reads 2.5 A for a period of 4 minutes, determine the charge that has passed through the ammeter.
2. Calculate the value of resistor x and the current passing through it.
3. An electric heater is connected to a constant 250 V voltage source and absorbs 1000 W. The heater is subsequently connected to a 210 V voltage source. What is the resistance of the heater? What power does the heater absorb from the 210 V source?
Avalanche breakdown region: Even though these regions are well described for sufficiently large applied voltage, they overlap somewhat for small (less than a few hundred milli
Q Determine the effective input noise temperature of a long piece of waveguide (that connects an antenna to a receiver) with a loss of 3.4 dB at 12 GHz and a physical temperature o
A two-pole, three-phase, 60-Hz, wye-connected, round-rotor synchronous generator has N a = 12 turns per phase in each armature phase winding and flux per pole of 0.8Wb. Find the r
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Why is the signal first attenuated and then amplified?
a rectangular surge of 2us duration and magnitude of 100Kv travels along a line of surge impedance 500 ohms. The latter is connected to another line of equal impedance through an i
Distinguish between ferromagnetic and paramagnetic materials, mentioning at least one example of each. Ferromagnetic Materials: These are materials wherein magnetic dipoles i
Problem: The current voltage characteristic [ ID versus VD] of a semiconductor diode for VD > 0 [forward bias] is given in Figure Under reverse bias conditions [VD Fi
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