An electric heater is constructed by applying a potential difference of 120 V to a - Nichrome wire that has a total resistance of 8.00, the current following is ......

Q: How much would you have to raisethe temperature of a copper wire(originally at20◦C) to increase its…

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Q: (a) Of what material is a wire made, if it is 20.0 m long with a 0.150 mm diameter and has a…

A: Given: The length of the wire is 20 m. The diameter of the wire is 0.15 mm. The resistance of the…

Q: Consider a 1100 W, 120 V megatoaster that perfectly toasts bread every time. a) What is its…

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Q: The hot resistance of a flashlight bulb is 2.60 , and it is run by a 1.58 V alkaline cell having a…

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Q: (a) An immersion heater utilizing 120 V can raise the temperature of a 1.00×102 -g aluminum cup…

A: (a) The law of conservation of energy,  Electric energy=heat…

Q: A potential difference of 12 V is found to produce a currentof 0.40 A in a 3.2 - m length of wire…

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Q: A resistor made of Nichrome wire is used in an application where its resistance cannot change more…

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Q: (a) A potential difference of 12 V is applied to a 250@Ω resistor. How much current flowsthrough the…

A: Solution:- a) As per ohm's law, V = IR, I = V/R and R = V/I. Where I is amperes. So you have the…

Q: Consider a portable electric blanket that runs on a 4.5 V battery. If you use copper wire with a 0,5…

A: The given data are: V=4.5 Vd=0.5 mm=0.0005 mP=20 Wρ=1.7×10-8 Ω.m

Q: The radius of 22-gauge Nichrome wire is 0.32 mm.(A) Calculate the resistance per unit length of this…

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Q: (b) A voltage of 3 V is applied across the ends of a copper alloy conductor which has a resistance…

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Q: A cell balances against a length of 200 cm on a potentiometer wire, when it is shunted by a…

A: To find-L=?r=?Given-L1=200 cmR1=8 ohmL2=160 cmR2=4 ohm

Q: Calculate the resistance of 100 m length of a wire having a uniform cross-sectional area of 0.1 mm^2…

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Q: The magnitude J of the current density in a certain wire with a circular cross section of radius…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: A 0-1A ammeter having a resistance of 50Ω is used to measure the current flowing in a 1kΩ resistor…

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Q: How many different resistance valuescan be created by combining three unequal resistors?

A: Three unequal resistors are given . How many different values can be created

Q: The e.m.f. of a cell is balanced by fall of potential along. 281 cm of potentiometer wire. If a…

A: To find-Internal resistance (r)=?Given-Initial balancing length (l1)=281 cmResistance connected…

Q: (a) Calculate the resistance per unit length of a 44 gauge nichrome wire of radius 0.642 mm.   (b)…

A: Ohm's Law The potential difference across a conductor is directly proportional to the current…

Q: APPLICATION: A 100-watt incandescent lamp, when hot, has a resistance of 42 0, while a 60-watt lamp…

A: (1) Given: P1=100W P2=60W R1=42 ohm R2=823 ohm V=220V

Q: A nichrome wire of length 1.5 m is used as conductor. The cross-sectional area of the  wire is 0.75…

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Q: Unreasonable Results (a) To what temperature must you raise a resistor made of constantan to double…

A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: closed system consisting of 2 lb of a gas undergoes a process during which the relation between…

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Q: A resistor made of Nichrome wire is used in an application where its resistance cannot change more…

A: The resistance dependency on temperature is given by the equation, R=R01+αΔT…

Q: An electric flat iron draws a current of 15 A when connected to a 110 V line. (a) Assuming that the…

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Q: A pocket calculator draws 0.40 A of current when connected to a 6.0 V battery. At what rate does the…

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Q: (b) 1. A platinum resistance sensor has a resistance of 100 £2 at 0 °C and a temperature coefficient…

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Q: A 24 V potential difference is supplied across a 15 N resistor. Calculate the current flowing…

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Q: If electrical energy costs $0.12 per kilowatt-hour, how much does it cost to (a) burn a 100-W…

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Q: A given copper wire has a resistance of 5.00 Ω at 20.0°C whilea tungsten wire of the same diameter…

A: Equate the resistance of copper and tungsten

Q: A 400-W heating coil designed to operate from 110 V is made of Nichrome wire 0.440 mm in diameter.…

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Q: Unreasonable Results(a) What current is needed to transmit 1.00 X 102 MW of power at 10.0 kV? (b)…

A: Given Data: The power is, P=1.00×102 MW The voltage is, V=10.0 kV The length of a wire is, L=1.00 km…

Q: A certain material has a resistance of 5 2 at 20°C. The material is then heated to 800°C, calculate…

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Q: A 50-ohm resistor is initially at 30 degrees Celsius. Find its resistance when the temperature…

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Q: The e.m.f. of a cell is 6 volts. When the cell is used to send a current through an eternal…

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