An electric heater is constructed by applying a potential difference of 104V across a wire with a resistance of 5.0 Q. What is the power rating of the heater?

Q: solar cell generates an EMF of 6 V. The terminal potential difference of 5.4 V is measured when a 2…

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Q: Considering a current of 0.2 A, what is the electrical potential if the resistance of the wire is 10…

A: Given : Current (I) = 0.2 A Resistance (R) = 10 Ω Electric Potential (V) = ?

Q: A human being can be electrocuted if a current as small as 50 mA passes near the heart.  An…

A: Given, Current,I=50mA=50×10-3AResistance,R=2000Ω Now, we have to calculate the voltage, We have the…

Q: current of 2.22 is generated from a battery whose internal resistance is 0.06. You measure the…

A: Given : Current , I = 2.22 A  Internal resistance , r = 0.06 ohm  Voltage , V = 0.98 V  To Find :…

Q: A current of 65.9 mA flows through a resistor with a potential difference of  P=6.10 V across it.…

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Q: An electric heater is constructed by applying a potential difference of 140V across a wire with a…

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Q: A certain wire has a resistance of 140 Ω. What is the resistance of a second wire, made of the same…

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Q: A battery has emf 30.0 V and internal resistance r. A 9.00 Ω resistor is connected to the terminals…

A: Given data: The emf of the battery is E=30 V The voltage drop across the resistor is V=27 Volt A…

Q: An immersion rod is an electric device, which heats water by immersing a resistance wire in water.…

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Q: A resistor with a potential difference of 200 V across it transfers electrical energy to thermal…

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Q: A solar cell generates an EMF of 21 V. The terminal potential difference of 18.9 V is measured when…

A: Internal resistance of solar cell r= 0.555 ohm

Q: A 100 μF defibrillator capacitor is charged to 1500 V. When fired through a patient's chest, it…

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Q: When two resistors are wired in series with a 12 V battery, the current through the battery is 0.30…

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Q: The emf of a battery is 12.0 volts. When the battery delivers a current of 0.500 ampere to a load,…

A: Given data: The emf of battery is ε=12.0 V. The current delivered to load is I=0.5 A. The potential…

Q: When a light bulb is connected across the terminals of a battery, the battery delivers 26 W of power…

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Q: A 12V battery is connected to a capacitor, resulting in 54.0  C of charge stored on the capacitor.…

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

Q: A length of copper wire has a resistance 24 Ω. The wire is cut into three pieces of equal length,…

A: A length of copper wire,

Q: When a light bulb is connected across the terminals of a battery, the battery delivers 21.1 W of…

A: Given data: Power delivered by battery (P) = 21.1 W Voltage (V) = 10.0 V Internal resistance (R) =…

Q: resistor is connected across the battery. What is the internal resistance of the solar cell: The…

A: Since you asked more than three sub-parts of a question, according to our guidelines we would only…

Q: A wire with a length of 3.0 m and a radius of 0.5 mm has a resistance of 0.50 Ω. What is the…

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Q: An EMF source of 8.0 V is connected to a purely resistive electrical appliance. An electric current…

A: Given Voltage of source is V=8.0 V Electric current is I= 2.0 A

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

A: given,  resistance  R = 100 Ω power dissipated across resistor P = 2.0 W Find current through the…

Q: A wire has a resistance of 21.0 Ω. It is melted down, and from the same volume of metal a new wire…

A: Resistance of a wire is given as : ρ LA L2 = 3 x L1 Volume remains constant. V1 =V2 π r12L1 = π…

Q: A current of 3.0 A flows through a resistor with a voltage difference of 143 V across it. What is…

A: Write the equation for the resistance of the resistor. R=VI Here, The voltage difference is "V" The…

Q: volume of metal a new wire is made that is three times longer than t original wire. What is the…

A: R= 21 Ω let the initial length and area of cross-section of wire be=> l and A let new wire's…

Q: A defibrillator sends a 6.75 A current through the chest of a patient by applying a 9500 V voltage…

A: Given data:  Current (I) = 6.75 A Voltage (V) = 9500 V Required: The resistance (R) in kΩ

Q: Three resistors in parallel have an equivalent resistance of 5.0 Ω. Two of the resistors have…

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Q: An electric heater is constructed by applying a potential difference of 127.2V across a wire with a…

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Q: . What is the potential difference (in V) across the resistor?

A: Given: R=1.2 k Ohm Current , I=15 mA Formula used: V=IR