Person with body resistance between his hands of 10.0 kΩ accidentally grasps the terminals of a 20.0-kV power supply. (Do NOT do this!) If the power supply is to be made safe by increasing its internal resistance, what should the internal resistance be for the maximum current in this situation to be 1.00 mA or less?

Q: A certain lightbulb has a tungsten filament with a resistance of 21.7 2 when at 20.0°C and 144 2…

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Q: tungsten filament of a lamp has a cross-sectional area of 5 x 10−9?2 , how long must it be

A: This question is based on resistance.

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A: Given: Value of resistance = 20 Ohm Resistance in parallel combination =?

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Q: For the following circuit in the fiqure below, What is the current (in units of A) in the 10-0…

A: First find the equivalent resistance of the circuit,  The resistance 5Ω, 10Ω and 5Ω are connected in…

Q: Consider the circuit shown below, where E1 = 12 V, E2 = 19 V, E2 = 7 V, R1 = 200 Ω, R2 = 300 Ω, R3 =…

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Q: Although caution must be used in applying ρ = ρ0(1 + αΔT) and R = R0(1 + αΔT) for temperature…

A: The original resistance of the filament,   The temperature change,

Q: A person notices a mild shock if the current along a path through the thumb and index finger exceeds…

A: Given:  current,, i = 80 micro Ampere  resistance of dry skin, R = 4 x 105 ohm  resistance of wet…

Q: A copper wire has a resistance of 0.500 Ω at 20.0 °C, and an iron wire has a resistance of 0.525 Ω…

A: The resistance of the copper wire at 20.0 °C,   The resistance of the iron wire at 20.0 °C,

Q: A copper wire has a resistance of 0.500 Ω at 20.0ºC , and an iron wire has a resistance of 0.525 Ω…

A: Given that, Resistance of copper wire is Rc=0.500 Ω at T0 = 20 oC Resistance of iron wire is…

Q: A person notices a mild shock if the current along apath through the thumb and index finger exceeds…

A: Maximum current to avoid the shock = 80 uADry skin resistance = 4×105 ΩWet skin resistance = 2 ×103…

Q: Can a copper wire and an aluminum wire of the samelength have the same resistance? Explain

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Q: Compute the equivalent resistance of the network in the given figure, and find the current in each…

A: Given data: Resistances: R1=1.00 ΩR2=3.00 ΩR3=7.00 ΩR4=5.00 Ω Emf: ε=48.0 V

Q: Knowing that the power delivered to resistor Rj is 20.0 W, the resistance (in 0) of the resistor R2…

A: Total current I = 3.50 A Current flowing through R1, I1 = 2 A Value of one of the resistance = 10 Ω…

Q: For the circuit shown below, if V1 = 28 V and V2 = 6 V, the mesh currents i, and i2, respectively,…

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Q: Find the equivalent resistance of the combination of resistors show 1.50 p2 R1 8.00 u2 R2 0.75 p2…

A: According to company policy, only 1st question will be answered here. Please post the rest…

Q: Find the equivalent resistance of the combination of resistors shown below: R2 3.5 N R3 - 2.5 N R,…

A: R1 = 5.0 ΩR2 = 3.5 ΩR3 = 2.5 ΩR4 = 24.0 ΩR5 = 3.2 Ω

Q: Given that the delivered power to a resistor is equal to P when the current flowing in the resistor…

A: Given ,            Power delivered to a resistor is  P           Current through resistor is I0…

Q: A copper wire has a resistance of 0.400 Ω at 20.0°C, and an iron wire has a resistance of 0.426 Ω at…

A: To determine: The temperature at which the resistance of the copper and iron will be equal   Given:…

Q: For the circuit shown, find the power (in W) dissipated in the resistor R,. R = 10.00 V= 9.00 V Ry =…

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Q: If a certain metal has a resistance of 8.00 n at temperature 20.0 °C, what is its resistance at…

A: The variation of resistance with temperature is given by,

Q: The resistance of a galvanometer is 50 oh and the maximum current which can be passed through it is…

A: GivenResistance of Galvanometer, RG=50 ohmCurrent passing through Galvanometer, IG=0.002 ACurrent,…

Q: A high tension (HT) supply of, say, 6 kV must have a very large internal resistance. Why?

A: Given:  V = 6 kV

Q: Find the equivalent resistance of the combination of resistors shown in the figure below. (R1 = 3.12…

A: Formula:- Equivalent resistance of three resistors R1, R2, R3  in series is Req=R1+R2+R3 If Req be…

Q: A copper wire has a resistance of 0.420 A at 20.0°C, and an iron wire has a resistance of 0.437 A at…

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Q: The power rating of the heater a Nichrome wire that has a total resistance of (8 N) and carried a…

A: Solution: Calculate the potential difference across the Nichrome wire. V=IR Here, V is the voltage,…

Q: Assume that Rs = 152 and the load was connected between nodes a and b. a 1)2 A R, RL10Ω b The Norton…

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Q: f a certain silver wire has a resistance of 10.00 Ω at 15.0°C, what resistance will it have at…

A: Given- Resistance R0= 10.00 ΩTemperature difference ∆T =290C-150C=140CWe haveThe temperature…

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

A: The potential difference, V=300 V   The skin resistance, R=1.0 kΩ=1.0×103 Ω

Q: Compute the equivalent resistance of the network in the given figure, and find the current in each…

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Q: What must be the value of R in the network of resistors for the lotal resistance to be 10 12 ww ww…

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Q: A copper wire has a resistance of 0.465 N at 20.0°C, and an iron wire has a resistance of 0.483 1 at…

A: The resistance of the conductor changes with the change in the temperature of the conductor and the…

Q: The temperature coefficient of resistance of a wire is 0.00125 per degree celcius. At 300K its…

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Q: Is it possible to connect a group of resistors of value R in such a waythat the equivalent…

A: If two or more number of resistors of different or equal resistances is connected in parallel…

Q: A copper wire has a resistance of 0.565 N at 20.0°C, and an iron wire has a resistance of 0.597 N at…

A: Given Data: The resistance of the copper wire is R = 0.565 Ω. The resistance of the iron wire is,…

Q: The resistance of a coil of copper wire is 3.35 Q at 0°C. What is its resistance at 50°C. For copper…

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Q: If a certain silver wire has a resistance of 9.00 Ω at 40.0°C, what resistance will it have at…

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Q: A galvanometer of resistance 50 2 is connected to a battery of 3V along with a resistance of 2950 N…

A: Given : RG = 50 Ω V = 3 V R = 2950 Ω