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two resistances 2 ohm and 4 ohm are connected in series and a 4 ohm is in parallel between two points find equivalent resistance.
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An immersion heater has a resistance of 20 ohms and is used with 240 V mains supply. What is its power output?
how does a capacitor store charges
if 3 resistances 2,3,4 ohm are connected in series.find equivalent resistance.
a battery of 10V is connected with 5 ohm resistance then find current in this circuit.
when two equal resistances are connected in series and parallel combination. find equivalent resistance in both cases.
A single layer of No. 24 AWG (dia=0.0201 in) commercial iron wire is wound over a ceramic tube whose diameter is 3.25 in. if the total wire resistance is 41 ohms, determine the number of turns.
1. A coil of annealed copper wire has 820 turns, the average length of which is 9 in. If the diameter of the wire is 32 mils, calculate the total resistance of the coil at 200C.
An oil film of thickness 0.12 micrometer rests on a pool of water. If a ray strikes the film at an angle of 60°,what is the wavelength reflected in the first order?