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A coil of inductance 318.3mH and negligible resistance is linked in series with a 200 resistor to a 240V, 50Hz supply.
Calculate
(a) The inductive reactance of the coil,
(b) The impedance of the circuit,
(c) The current in the circuit,
(d) The p.d. across each component, and
(e) The circuit phase angle.
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the magnetic field at a dictance of 2cm from the axis of a straight conductor carrying current is 12mT.Find the currentin the conductor?
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Common dime-store cells and batteries The cells you see in the grocery, department, drug, and hardware stores which are popular for use in household convenience items such as
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