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Electric Circuits
A 700 W lamp was connected to a supply that a 5A current was flowing through the lamp. What is that resistance of the lamp
Electric Circuits
Nichrome ribbon resistor elements each has a resistance of 1 ohm. The element is made from sheet of nichrome alloy, 0.025 cm thick. If the width of the ribbon is 0.3 cm, what length is required per element? Assume specific resistance of nichrme alloy to be 109
Electric Circuits
A capacitor is placed in series with a resistor, and a square wave is applied.
a. Sketch the RC response to the square wave
b. Sketch a second wave beneath a) where the product RC has been increased by a factor of 4
Electric Circuits
The resistance of 120 meters of wire is 16Ω. What is the conductance of the wire from one end
to the middle?
to the middle?
Electric Circuits
The resistance of 120 meters of wire is 16Ω. What is the conductance of the wire from one end to the middle?
Electric Circuits
A resistance of 6Ω is connected in parallel with a 3Ω resistance. Both resistance are then connected
in series with 8Ω resistance. How much is the total resistance of the circuit?
in series with 8Ω resistance. How much is the total resistance of the circuit?
Electric Circuits
A heating instrument has 12 resistors and
they are placed vertically and have a uniform
reducing power. The powers of the first,
second, third and fourth resistors are 3000,
2600, 2200, and 1800 respectively. Find the
power of the resistor
they are placed vertically and have a uniform
reducing power. The powers of the first,
second, third and fourth resistors are 3000,
2600, 2200, and 1800 respectively. Find the
power of the resistor
Electric Circuits
How many kw-hr are consumed by twenty-five 60 watts light bulbs burning 5 hrs. in a 12v
circuit?
Electric Circuits
A 4Ω, 6Ω, 10Ω & 15Ω are connected in parallel, which resistor will consume the most power?
Electric Circuits
Four heater, each having a resistance of 30Ω, are connected in series across a 600v train circuit.
Find the current?
