In a 1500-W hairdryer when it is plugged in to 120 V calculate the resistance of the hairdryer.
Q: The resistance of a bagel toaster is 20 Ω. To prepare a bagel, the toaster is operated for one…
A: Given information: The resistance of the toaster (R) = 20 ohm The voltage across the toaster (V) =…
Q: An electric heater is constructed by applying a potential difference of 121.2V across a wire with a…
A:
Q: Resistors of 10, 15 and 5 ohms are all connected in SERIES to a 90 V source of potential difference.…
A: Given that-Resistance, R1= 10ΩResistance, R2= 15ΩResistance, R3= 5ΩWhen resistors are connected in…
Q: Houses in Europe run on 220 V instead of 120 V like here in the US. A circuit in a European house…
A:
Q: A circuit with a battery, a 8 Ω resistor, a 16 Ω resistor, and a 27 Ω resistor in series. The total…
A:
Q: In the circuit shown in the figure V₁ = 2 V, V₂=5 V, R₁ = 20 ohm, R₂ = 5 ohm, What is the magnitude…
A: We will answer the question using Kirchoff's voltage rule. The detailed steps are as follows.
Q: How much current flows thru a 6 Ω resistor in 4 minutes if it is connected to a 9V battery ?
A: Given : R = 6 Ω t = 4 minutes = 4 x 60 = 240 seconds V = 9 V
Q: What is the minimum number of 88@Q resistors that must be connected in parallel to produce an…
A: Given data, Resistance of each resistor = 88 ohms Maximum equivalent resistance = 12 ohms
Q: The resistance of an electric heater is 70 Ω when connected to 120 V. How much energy does it use…
A:
Q: A current of 50 mA is fed to a 100 Ω resistor. What are the potential difference and power one would…
A: Given: The current in the circuit is 50 mA. The resistance of the circuit is 100 Ω.
Q: A source is connected in series to 3 identical resistors. If this setup of resistors dissipates a…
A: GivenThree identical resistors are connected in series.Power dissipates = 72 W
Q: Three resistors having resistances of 750 Ω, 200 Ω, and 110 Ω are connected in parallel. If the…
A: The situation is shown below: Let current i1 flow through resistor 750 ohm, i2 through 200 ohm, and…
Q: When three identical resistors are connected in series to a battery 220 V, total dissipated power is…
A: Given Data : The power dissipated across the resistor is given as P = 45 W. The voltage of the…
Q: A 75 W tungsten light bulb has a resistance of 190 Ω when lighted and 15 Ω when turned off at .…
A:
Q: You have three resistors R1 = 422 Ohms, R2 = 271 Ohms & R3 = 426 Ohms. What is the maximum…
A:
Q: What is the potential difference across the 40 Ω resistor? Hint: The equivalent resistor and…
A: A. Relation between potential difference , current and the resistor is given as: V=IR where V =…
Q: Consid 30 38 20 wwwwwww ύξ σας,003, ΞΑΠ 014 W 28 W 30 052 W 0112 W
A:
Q: A 30 Ω toaster consumes 560 W of power; how much current is flowing through the toaster?
A:
Q: Design an electrical circuit with 4 resistors out of which 2 resistors must be connected in parallel…
A:
Q: A 1 Ω resistor and a 4 Ω resistor are connected in parallel. The combination is connected in series…
A: Given: The resistors in parallel are 1 Ω and 4 Ω. The resistor in series with the parallel…
Q: What is the total resistance of two resistors, R1 = 1.8 Ω and R2 = 24 Ω when they are connected in…
A:
Q: You wish to measure both the current through and the potential difference across some component of a…
A: Measurement using voltmeter - Voltmeter is connected in parallel with the component of the circuit.…
Q: Two appliances are connected in parallel to a 120-V battery and draw currents I₁ = 2.0 A and I₂ =…
A: I1 = 2 A I2 = 3.5 A Vbattery = 120 volts
Q: You have 100-ohm resistors. Design a 32-ohm resistor using them. The resistor should be 10%…
A: The range of the resistance for the resistor that to be designed can be considered as,
Q: When two identical resistors are connected in series to a 100 V voltage source, the current is…
A:
Q: total power
A: Given: Resistors of coffee maker and roaster as R1=17 Ω and R2=13 Ω respectively are connected in…
Q: the heating element on an electric heater dissipates 4.0 x 10^2 watts of power when connected to a…
A:
Q: An electric iron consumes energy at a rate of 840 W when heating is at the maximum rate and 360 W…
A: Write the expression for power output. When heating at maximum rate. Use equation (I) to find the…
Q: What is the minimum number of 88@N resistors that must be connected in parallel to produce an…
A: By using resistor parallel combination equation,we can easily calculate.
Q: A 12.5-Ω resistor has a potential difference of 36.1 V across it. What current flows through the…
A: Given data: Resistance of the resistor, R = 12.5-Ω Potential difference, V =36.1V
Q: A 56-Ω resistor in a circuit has a voltage difference of 8 V across its leads. Calculate the current…
A: Given: The potential difference is 8 V. The resistance of the circuit is 56 Ohm.
Q: When plugged into a 120 V standard outlet, a current of 2.0 A flows through a string of tree lights…
A: The supplied voltage is The current flow is The number of bulbs in series is
Step by step
Solved in 2 steps