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A transformer takes a current of 0.8A when its primary is connected to a 240 volt, 50Hz supply, the secondary being on open circuit. If the power absorbed is 72 watts,
Determine
(a) the iron loss current,
(b) the power factor on no-load, and
(c) the magnetizing current.
AC Output Resistance in Common Base Configuration Ratio of change in collector-base voltage ( ? V CB ) to resulting change in collector current ( ? I C ) at
describe the applications of potentiometers
John is traveling north at 20 meters/second and his friend Betty is traveling south at 20 meters/second. If north is the positive direction, what are John and Betty''s speeds?
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The x-component of the electric field categorized by an electric potential V(x,y,z) be capable of be expressed as -dV/dx holding y and z constant. This would propose that the units
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explain briefly voltaic cell
A positively charged particle is pitiful southward in a downward-directed uniform magnetic field. The magnetic force is the merely force if any acting on the particle. What is the
Two wattmeters indicate 10 kW and 3 kW respectively when linked to measure the input power to a 3-phase balanced load, the reverse switch being operated on the meter showing the 3k
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