An electric immersion heater normally takes 100 min to bring cold water in a well-insulated container to a certain temperature, after which a thermostat switches the heater off. One day the line voltage is reduced by 6.00% because of a laboratory overload. How long does heating the water now take? Assume that the resistance of the heating element does not change.

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A: Equivalent resistance in the parallel circuit is, 1R=1R1+1R2+1R3

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Q: The heating coil in a toaster is made of nichrome wire with a radius of 0.275 mm. If the coil draws…

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Q: Consider a portable electric blanket that runs on a 4.5 V battery. If you use copper wire with a 0.5…

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Q: A 120 V potential difference is applied to a space heater whose resistance is 13.7 Ω when hot. At…

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Q: What is the required resistance of an immersion heater that increases the temperature of 1.50 kg of…

A: Write the given values with the suitable variables. m=1.50 kgT1=10 °CT2=50 °Ct=10 min=600 sV=110 V…

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Q: are given a length of uniform heating wire made of a nickel–chromium–iron alloy called Nichrome; it…

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Q: A well-insulated electric water heater warms 113 kg of water from 20.0°C to 53.0°C in 21.0 min. Find…

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Q: Chapter 31, Problem 058 For the figure, find the value of resistance R which provides the maximum…

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A:

Q: A person standing barefoot on the ground 20 m from the point of a lightning strike experiences an…

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Q: ) If the battery in the circuit below is 15.64V, resistor R1=349.44Ω, and resistor R2=284.01Ω, what…

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Q: The power dissipated by a resistor with a resistance of R = 100 Q is P = 2.0 W. What are the current…

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Q: A 20 V battery is connected to a resistor. Neglecting the internal resistance of the battery, the…

A: Voltage of the battery, Vs=20 V Power delivered to the resistor, P=10 W

Q: Find (a) the equivalent resistance of the circuit in Figure P28.60, (b) the potential difference…

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Q: n 8.00-ft extension cord has two 18-gauge copper wires, each having a diameter of 1.024 mm. At what…

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Q: Consider a portable electric blanket that runs on a 6 V battery. If you use copper wire with a 0.75…

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Q: A well-insulated electric water heater warms 107 kg of water from 20.0°C to 41.0°C in 29.0 min. Find…

A:

Q: Consider a portable electric blanket that runs on a 4.5 V battery. If you use copper wire with a 0.5…

A:

Q: A heart defibrillator passes 10.0 A through a patient’s torso for 5.00 ms in an attempt to restore…

A: From the ohm's law, we have V=IR where V= voltage, I= current, and R=Resistance.