A battery is connected to a wire, and makes a current in the wire. What happens when the length of the Choose... wire increases? What happens if the temperature of the Choose... wire is increased? What happens when the length of the wire is kept the same but it is made Choose... thicker?

Q: You were given a 13.7-cm long section of a mysterious looking conducting wire and asked to figure…

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Q: You were given a 13.7-cm long section of a mysterious looking conducting wire and asked to figure…

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Q: What is the resistance (in units of a) of a wire made of a material with a resistivity of 3.2 x 100.…

A: RESISTANCE

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: The circuit below consists of a battery and a tungsten wire. As shown in the figure, the tungsten…

A: The area of thick section is more than that of thin section. Now , resistance is inversely…

Q: A 60 W lightbulb typically has a current of 0.50 A flowing through it. Calculate (a) the number of…

A: Given, current, I = 0.50 A Power, W = 60 W

Q: 8) Wire is wrapped around the equator of an Earth globe of radius 15cm, making ten complete trips.…

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Q: A current of 2 A flows in a gold wire of radius 0.5 mm and length 3 cm. What voltage is measured…

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Q: While taking photographs in Death Valley on a day when the temperature is 52.0°C, Bill Hiker finds…

A: Given data: Temperature of Death Valley, T1=52.0OC Current at temperature T1,  I1=1.00 A Other…

Q: If a glowing incandescent lightbulb is jarred and oxygen leaks inside, the bulb will momentarily…

A: When the lighbulb gets jarred, current will stop flowing through it.

Q: You measure the current in two different wires using an ammeter, and find them to be the same. One…

A: The objective of the question is to determine which wire, thick or thin, has a larger current…

Q: An immersion heater is a small appliance used to heat a cup of water for tea by passing current…

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Q: You’ve probably observed that the most common time for an incandescent lightbulb to fail is the…

A: Given Change in voltage ΔV = 6 V Current flowing I = 160 mA

Q: Circuit in phone charger. Resistor can only dissipate up to 0.30 Watts of power before melting. When…

A: The power dissipated by the resistor is related to the resistance (R) and the voltage across the…

Q: A resistor is made out of a long wire having a length L. Each end of the wire is attached to a…

A: Given that, a resistor is made by a wire. The wire is attached to the battery having potential Vo,…

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

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Q: For some an application, it is important that the value of a resistance not change with temperature.…

A: Given: Total resistance of carbon & nichrome wire-wound resistor, Rt=4.7 kΩ Standard data:…

Q: Using the atomic model of matter, explain why the resistance of a metal varies with its temperature.

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Q: You’ve probably observed that the most common time for an incandescent lightbulb to fail is the…

A: Let A denote the area of the cross-section of the filament, l denote the length of the filament, ρ…

Q: current of 1 A is drawn by a filament ofan electric bulb i Number of electrons passing through a…

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Q: What current flows through a 2.54-cm- diameter rod of pure silicon that is 20.0 cm long, when 1.00 ×…

A: According to ohms law the current of the rod is  I=VR Here,          R is the resistance,      V  is…

Q: What current flows through a 2.54-cm- diameter rod of pure silicon that is 20.0 cm long, when 1.00 ×…

A: Given that,Diameter : d = 2.54 (cm)Voltage : V = 1×103 (V)Here we need to find the current flows…

Q: Remote control is connected to a stereo by 20 m distance by using copper wire. This copper wire has…

A: As it is a multiple questions, I answer first question. Please resubmit the second…

Q: these two examples, what exactly happens if the current goes from left to right? For the first…

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Q: A resistor with color bands blue-red-green-yellow-gold has a length of 5cm. If the material is made…

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Q: A 140-N resistor is connected to a variable-voltage power supply. (a) What voltage is necessary to…

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Q: Hello Sir. Good Morning. I Have a question in my homework related mechatronics lesson. The…

A: Given The value of resistor of the radio = 6 ohms Yusi only has resistors whose values are 9 ohms…

Q: For how long time period should a flow of 10^19 electrons be maintained between two points A and B…

A: Number of electrons (n) = 1019  Charge per electron (e) = 1.6 x 10-19  C

Q: A copper wire is 2.50 m long and has a diameter of 2.5 mm. How much current will it draw when…

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Q: Suppose you wish to fabricate a uniform wire from 1.30 g of copper. The wire is to have a resistance…

A: The expression for the area of the wire,

Q: You’ve probably observed that the most common time for an incandescent lightbulb to fail is the…

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Q: Complete the following statement: The sum of the magnitudes of the currents directed into a junction…

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Q: What current flows through a 2.54-cm-diameter rod of pure silicon that is 20.0 cm long, when 1.00 ×…

A: According to ohms law the current of the rod is I=VR Here, R is the resistance,V  is the voltage, I…

Q: A copper wire is stretched so that its length increases and its diameter decreases. As a result, the…

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