An electric heater carries a current of 19.0 A when operating at
a voltage of 1.80 ✕ 102 V. What is the resistance of the
heater?
Using Ohm's Law,
V = I R
(1.80 x 10^2) Volt = (19 A) (R)
R = 9.47 Ohm ....Ans
An electric heater carries a current of 19.0 A when operating at a voltage of 1.80...
11. An electric heater carries a current of 20 A when operating at a voltage drop of 120 V. According to Ohm’s law, if I double the voltage drop across the heater, what happens to the current passing through it? a. Nothing, as the current passing through an electrical component is independent of the voltage drop. b. It doubles in value to 40 A c. It halves in value to 10 A d. It rises by a factor of 4...
3. A current of 12 A flows through an electric heater operating on 120V. What is the heater's resistance? 4. Calculate the voltage if resistance is 12 ohm and current is 5 A.
A current of 15.0 A flows through an electric heater operating on 120 V. Compute the power consumption of the electric heater.
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An electric heater has a Nichrome heating element with a resistance of 7 Ω at 20oC. When 118 V are applied, the electric current heats the Nichrome wire to 980oC. What is the operating wattage of this heater? (The temperature coefficient of resistivity of Nichrome is α = 0.0004 Co-1)
5. An electric heater has a Nichrome heating element with a resistance of 9 Ω at 20°C. When l 16 V are applied, the electric current heats the Nichrome wire to 1060 C What is the operating wattage of this heater? The temperature coefficient of resistivity of Nichrome is α-0.0004 C Watts
A 120-V fish-tank heater is rated at 110 W.1. Calculate the current through the heater when it is operating.2. Calculate its resistance.No referring, please.
A "2000 WW" electric heater is designed to operate on a 230VV
supply.
A "2000 W" electric heater is designed to operate on a 230V supply Part A What is its operating resistance? Express your answer with the appropriate units. μΑ ? R= Value Units Submit Request Answer Part B What current does it draw? Express your answer with the appropriate units. μΑ ? I = Value Units Submit Request Answer Part C If the voltage drops to 220 V,...
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A "2100 W" electric heater is designed to operate on a 230V supply. What is its operating resistance? Express your answer with the appropriate units. ЦА ? R= Value Units Submit Request Answer Part B What current does it draw? Express your answer with the appropriate units. μΑ ? I= Value Units Submit Request Answer Part If the voltage drops to 220 V, what power does the heater take? (Assume that the resistance is constant. Actually, it will change because...