An electric broiler develops 400 cal per second when the current through it is 8 A. Determine the resistance of the broiler. CHOICES: A. 21.61 ohm   B. 2.61 ohm   C. 26.16 ohm   D. 6.16 ohm

Q: A current of 5 A flows through an electric heater of resistance 22 Q. The voltage drop across the…

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Q: A piece of metal wire has a resistance of 50 ohms. When it is stretched to 3 times of its length,…

A: Resistance of wire is,  R=ρlA Here,  l is length of wire.  So, resistance is directly proportional…

Q: A capacitor of capacitance C=40 µF capacitor is used in conjunction with a motor. How much energy…

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

Q: If a lamp has a resistance of 120 W when it operates at 100 W, what current does it carry? a. 2.10…

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Q: A 9V battery having an internal resistance 20 is connected to a load resistor of 88Q. The current…

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Q: + 12 volts 4 2 7.50 If the internal resistance of the battery is to be considered, the total current…

A: Given 4 ohm and 7.5 ohm resistor are in parallel . Battery emf E = 12 V. Total current of ckt i =…

Q: When two identical resistors are wired in series to a 10 V battery, the current is 2.5 A. Which of…

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Q: A piece of iron rebar on a construction site measures 2 cm in diameter and is 3m long. What…

A: The resistance can be found using R=LσA Where, σ is electrical conductivity of the material,L is…

Q: A wire with a resistance of 0.40 mm has a resistance 0.5 ohms. A wire of the same material but of…

A: The resistance of a circuit is defined as the limiting force offered by the circuit towards the flow…

Q: A battery with an emf of 12 V delivers 150 mA to a 75-ohm load. Determine the internal resistance of…

A: Given data:  emf of battery (ε) = 12 V Current (I) = 150 mA = 0.150 A Load resistance (R) = 75 ohm…

Q: When the temperature is 130 degree C, the resistance of a resistor is 45 ohms. When the temperature…

A: Given data The initial temperature is T1=130oC The initial resistance is R1=45 Ω The final…

Q: What is the equivalent resistance between points a and b? 30 2 a 102 10Q 100 b.

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Q: If all resistor have identical resistances of 96 Ω, Find the equivalent resistance of the circuit.…

A: Consider the points C and D as the junction points mentioned in the following image.

Q: resistor with a color code of violet-red-green-gold, what is the resistance value?   a. 72 ohms   b.…

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Q: What is the equivalent resistance between points a and b when R = 11 2? %3D R 2R www 3R www Select…

A: Value of R = 11 ohm To find : the value of equivalent resistance between points a and b

Q: In the circuit shown. If a current of 0.9 A is measured with the digital multimeter (DMM). The…

A: Given:- In the circuit  the resistance R = 10 ohm  The current I = 0.9 A  Find:- The internal…

Q: An electric heater is constructed by applying a potential difference of 99.6V across a wire with a…

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Q: A cell has an emf of 1.54 V. When it is in series with a 1.0 ohm resistance, the reading of a…

A: Given data:  Emf (ε) = 1.54 V External resistance (R) = 1.0 Ω Terminal voltage (V) = 1.40 V…

Q: 9. Find the equivalent resistance, total current, current in each resistor, and the voltage drop in…

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Q: A typical electric hair dryer designed to operate on a 120 V supply is rated at 1.5 kV What is the…

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Q: 3. A voltage of 4.50 V is measured across a resistor with 2.00 A of current flowing through t What…

A: Given:-  The voltage V = 4.50 V  The current I = 2 A  Find:- The resistance of the resistor?  2.25…

Q: What is the equivalent resistance between points a and b when R = 15.2 0? R R Select one: A. 22.80…

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Q: An ammeter connected in series with three rèsistors reads an electric current of 3.9 A. What is the…

A: The current remains constant in all the components of series connection. The voltage remains…

Q: equires 1100 W at 110 V. What is the resistance of the heating coil?  a. 7.5 W b. 9.0 W c. 10.0 W

A: GivenPower, P=1100 WVoltage,V=110 V

Q: Using Kirchhoff's rules, (a) find the current in each resistor in Figure. (b) Find the potential…

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

Q: A wire with a temperature coefficient of resistance (a = 0.0075/°C) has a resistance of 6.28 2 at…

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Q: A light bulb has a resistance of 2402, when operating at a voltage of 120 V. What is the current in…

A: Given  resistance of light bulb R=240Ω voltage V=120V

Q: 3. A total resistance of 3 ohm must be produced by combining an unknown resistor R with a 12 ohm…

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Q: Find the voltage V

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Q: 1. Four resistors 200 N, 700 N, 1k N and 1.2k 2 connected in series. Find the equivalent resistance,…

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

A: The expression for power, P=VII=PVI=30120=0.25A

Q: 3. Three resistors, 10, 20, and 30 Q, are connected in parallel. What is the equivalent resistance?…

A: Ohm's law gave an important relationship relating the voltage and the current in the circuit. The…

Q: A battery has an emf of 8.28V and an internal resistance of 1.1952. What resistance connected across…

A: It is given that,                         The emf of the battery is,                          The…

Q: KINDLY ANSWER IMMEDIATELY, THANKYOU FOR HELPING OUT A battery charger supplies a current of 10 A to…

A: Given A battery charger supplies a current, I=10A open-circuit voltage, U=5.6V voltmeter connected…

Q: Which of the following relation is correct for resistance ? PA A. R = L PL B. R = A C. R = p. A. L.…

A: Here, it is asked to find which of the given relation is correct for resistance. We know that,…

Q: Two fixed type resistors, 5 ohms and 7.5 ohms, are connected in series. 12 volts 7.5 N If the the…

A: Given data:  Two resistors are connected in series  R1 = 5 Ω R2 = 7.5 Ω  Battery voltage (V) = 12 V…

Q: Three resistors A, B and C are connected in parallel and take a total current 7.9Amps. Resistor A…

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Q: A quartz watch contains a 3 V battery. If the resistance of the watch is 20 Ohms, how many electrons…

A: Given data:  Battery voltage (V) = 3 V Resistance (R) = 20 Ω Time (t) = 1 h Required: The number of…

Q: A lead rod has a length of 30.00cm and a resistance of 5.00μ. What is the radius of the rod? (Hint:…

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Q: A certain wire used in electric heaters has a resistance per length of 1.75 Ω/m. What length of the…

A: Given  Resistance per unit length r=1.75 Ω/m Current I=8.25A Voltage V=115V

Q: The resistivity of an ohmic material depends on ______. 1 p A. Resistance B. Length of the conductor…

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Q: 3. Resistance. A copperwire is 2.50 m long and has a diameter of 2.5 mm. How much current will it…

A: Given: The length of the copper wire is 2.5 m. The diameter of the wire is 2.5 mm. The potential…

Q: A ribbon of nichrome (resistivity = 1.00 A 10-6 Ω·m) with a rectangular cross sectional area of…

A: The given data are:

Q: A wire (length = 2.0 m, diameter = 1.0 mm) has a resistance of 0.9 N. What is the resistivity of the…

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Q: Find the resistance of a cubic centimetre of copper (i) when it is drawn into a wire of diameter…

A: The resistance of a wire of length l, cross-sectional area A, and specific resistance ρ, is given…

Q: What is the power rating of a stove that receives 12.5 A of current and requires 150 V to function?…

A: Given: Current, I=12.5 A Potential V=150 V Formula:  Power is given as: P=VI

Q: An electric heater is constructed by applying a potential difference of 99.6V across a wire with a…

A: Power = V2/R