A heating element is marked 210 V, 630. What is the value of the current drawn by the element when connected to a 210 V DC Source?

Q: The 120 V electric heater in a coffee maker has a resistance of 15 Ω. How long will it take for this…

A: Given: The voltage of electric heater is V=120 V. The resistance of electric heater is R=15 Ω. The…

Q: What resistance will cause a current of 200uA, if the potential difference is 18V. O 0.092 O 9x10^3…

A: According to the ohm's law, V=IRR=VI

Q: In the circuit shown below, R1 = 3 ohms, R2 = 2 ohms, R3 = 5 ohms, 1 = 4 V, 2 = 10 V₁ and 23 = 6 V.…

A: Value of R1 = 3 ohm , R2 = 2 ohm and R3 = 5 ohm Value of E1 = 4 V , E2 = 10 V , E3 = 6 V

Q: The resistance of an electric heater is  70 Ω  when connected to 120 V. How much energy does it use…

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Q: An experimenter accidentally touches a 240 V dc line. If his skin resistance is 10 000 Ω, what value…

A: Given data :               Voltage (V) = 240 V               Resistance (R) = 10000 Ohm

Q: What is the power of a 1.00×102MV lightning bolt having a current of 2.00×104A?

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Q: when operated at 120 V. How much charge enters (and leaves) the light bulb in 8.7 min?

A: See solution on next page

Q: If an electrical component with a resistance of 35 2 is connected to a 112-V source, how much…

A: Resistance , R = 35 Ω Voltage , V = 112 V To find = Current

Q: A battery of 9V is connected in series with resistors of 0.2Ω, 0.3Ω, 0.4Ω ,0.5Ω and 12 Ω,…

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Q: For the circuit in the figure, R1= 10, R2= 6 0, and R3= 12 Q. Determine, (a) The Current 13, (b) The…

A: Given, R1 = 1 Ω R2 = 6 Ω R3 = 12 Ω V = 12 V

Q: The resistance of an electric heater is 25 Ω when connected to 120 V. How much energy does it use…

A: Given: Resistance of the electric heater, R = 25 Ω  Potential difference, V = 120 V time duration of…

Q: The resistance of an electric heater is  90 Ω  when connected to 120 V. How much energy does it use…

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Q: In the circuit shown below, R1 = 3 ohms, R2 = 2 ohms, R3 = 5 ohms, 21 = 4 V, 2 = 10 V₂ and 3 = 6 V.…

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Q: A water pump draws about 3.8 A when connected to 240 V. What is the cost (with electrical energy at…

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Q: A light bulb operating at 110 V draws 1.20 A of current. What is its resistance? 109 Q 78.6 Q 154 Q…

A: Given data:  Voltage (V) = 110 V Current (I) = 1.20 A Required: Resistance (R)

Q: What is the effective resistance (in Ω) of a car's starter motor when 146 A flows through it as the…

A: The effective resistance of car's starter motor is 0.076 ohm.

Q: A power transmission line is hung from metal towers with glass insulators having a resistance of…

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Q: Given the circuit below, what is the total power supplied by the source? 110 Q 220 Q 24 V 180 Q 250…

A: The power (P) supplied to an electrical circuit is defined as the amount of energy transported by…

Q: Two 75 W (120V) light bulbs are wired in series, then the combination is connected to a 120 V power…

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Q: A battery has a total charge capacity of 10 800 C. For how long can this battery deliver a current…

A: Data Given:- Charge capacity of the battery is Q=10800 C Current is  i=450 mA ⇒i=450 mA×1 A1000 mA…

Q: The resistance of an electric heater is 15 Ω when connected to 120 V. How much energy does it use…

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Q: During open-heart surgery, a defibrillator can be used to bring a patient out of cardiac arrest.…

A: According to Ohm's law, potential difference(v) = Current (I) × Resistance (R) Here , current = 11.5…

Q: An electric bulb is rated 220 V and 100 W. When it is operated on 110 V, thepower consumed will be…

A: The electric power (P ) is calculated as, Where, P = power V = voltage across the resistance R =…

Q: A cauterizer, used to stop bleeding in surgery, puts out 2.00 mA at 15.0 kV. What is the resistance…

A: Using ohm's law, V=IRR=VI

Q: The resistance of an electric heater is  70 Ω  when connected to 120 V. How much energy does it use…

A: Resistance of electric heater (R) = 70 Ω Voltage (V) = 120 V Time (t) = 45 min = 45×60 sec = 2700…

Q: In the circuit shown, a current of 3.00A flows in the direction shown. Calculate the unknown emf Ɛ…

A: The circuit diagram is shown below.

Q: A color television has a power rating of 323 W. How much current does this set draw from a potential…

A: The color television power, P=323 W   The potential difference, V=120 V

Q: Appliances that require a lot of power, such as a dryer or a stove, typically run on 240 V, and…

A: Given:   Initial Power, P1 = 4461 W Initial Voltage, V1  = 240 V  Final Voltage, V2 = 120 V     To…

Q: A power station generates 600 MW of electrical power fed to a transmission line. If the input…

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Q: A heater is being designed that uses a coil of 14-gauge nichrome wire to generate 300 W using a…

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Q: Compute for the current in in the circuit shown below. 1,0895 A ○ 1.0745 A ○ 1.0872 A ○ 1.0724A a 5…

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Q: A power transmission line is hung from metal towers with glass insulators having a resistance of…

A: Given that resistance is 1.00×109 Ω, and voltage is 200 kV.

Q: A power plant supplies a current of 4.80 x 10 A at 545 kV. After being transmitted down a few…

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Q: 12.0V 750 33 0 540 150 99 0 ***The voltage is 12.0 V. Ohms. A. The equivalent resistance of the…

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Q: What is the total current if the total voltage is 180 V? R₁ 20 n ≥30~ 40 R2 R3 MWO

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Q: current a) in the 4.00V battery, b) in the 3.002 resistor, c) in the 8.00V battery,

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Q: Four 1.5 V cells are connected in series to a 12 ohm light-bulb. If the resulting current is 0.45 A,…

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Q: If a lamp has resistance of 120 W when it operates at 100 W, what is the applied voltage?  a. 110 V…

A: The relation between power, voltage and resistance is P =V2RWhere, P =powerR =resistanceV =voltage

Q: A light bulb is rated at 30 W when operated at 120 V. How much charge enters (and leaves) the light…

A: Power = 30 w voltage V = 120 V    Current through the light  I = P/ v  I = 30 / 120 = 0.25 A

Q: The resistance of electric heater is 75 Ohm when connectedto 120 V What is the power consumption of…

A: Given that :Resistance of the electric heater (R) = 75 ohmVoltage ( V) = 120 VPower consumption (P)=…

Q: The current through the 4 N resistor in the portion of the circuit given is ( ) 10 V ww

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Q: The resistance of a coil of copper wire is 3.35 2 at 0°C. What is the resistance at 50°? (copper, a…

A: The resistance and temperature relationship is R=R01+α(T-T0) Here R is resistance at temperature T,…

Q: 12 V 2.0 2

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Q: The resistance of electric heater is 13 Ohm when connectedto 120 V What is the power consumption of…

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Q: What is the effective resistance of a car's starter motor when 150 A flows through it as the car…

A: Given data The current is Io=150 A The potential difference supplied by the battery is Vo=11.0 V…

Q: 2 Ω A Μ 7Ω 20 V Compute for current C. 5 Ω B 30 V 5 Ω Μ 6Ω 20 V Μ 3 Ω C

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Q: Four identical cells, each having an EMF of 1.5 V are connected in series. What is their combined…

A: When some cells are connected in series,  their combined emf=sum of the emf of the individual cells

Q: The power consumed by a device drawing a 0.8 A when connected to 120 V is A) 12 W B) 15 W C) 60 W D)…

A: