The sticker on a compact disc (CD) player says that it draws 288 mA (milliampere) of current when powered by a 9 Volt battery. What is the power (in Watts) of the CD player?

Q: The cost of electricity varies widely throughout the United States; $0.120/kWh is a typical value.…

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Q: How much energy per unit time does a 6.0 V portable radio use if it draws 250 mA of current?

A: Given data :-                                Voltage V = 6 volt…

Q: A 1520-W hair dryer plugs into a 120-V outlet. What is the current through the hair dryer when it…

A: Power of hair dryer (P) = 1520 W Voltage (V) = 120 volts

Q: You are given a galvanometer with a resistance of 20.3 Ω and a full scale deflection current of 7.22…

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Q: During an electricity investigation, a student stated, “When the voltage increases current…

A: Given data:  When the voltage increases current increases Required: The equation that describes the…

Q: Two 23.0 cm long parallel wires in the diagram above are separated by 4.50 mm. For what value of the…

A: Write the given values with suitable variables. l=23 cm=0.23 mr=4.50 mm=4.5×10-3 mF=2.5×10-5 NV1=12…

Q: A 50.7 ohm resistor is put into a circuit with a 16 volt battery. What is the power dissipated (in…

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Q: 4.00 N 1.00 N A 3.00 N E2

A: Reading of Ammeter (I) = 2.60 Ampere (from right to left)R2 = 4 ohmR = 1 ohm R1 = 3 ohm E2 = 32…

Q: V (Volts) 3.0 2.0 1.0 x (m) 1.5 3.0 3.5 4.0 A В С

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Q: An electric motor on an airplane operates on 23 volts anddraws a current of 8 amperesa. What is the…

A: Given Data : Potential difference (∆V) = 23 Volts Current (I) = 8 Amperes We have to calculate the…

Q: In the US, the conventional voltage seen in a recepticle (wall outlet) is 120 V. How many amperes is…

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Q: You are given a galvanometer with a resistance of 22.3 Ω and a full scale deflection current of 6.02…

A: Solution is done below.

Q: Dr. Frankenstein requires 16650 watts of power to bring life to his monster. His circuit can handle…

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Q: What is done in order to use a galvanometer as an ammeter? A small resistance is placed in series…

A: It is asked to explain what should we do to convert galvanometer as an ammeter

Q: A light bulb is connected to a 120.0-V wall socket. The current in the bulb depends on the time t…

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Q: Turn off the power supply. Calculate the tangents of the angles you recorded and plot a graph of the…

A: The current and the tangent of deflection angle (α) is directly proportional to each other.  ie I ∞…

Q: What is the power in watts of a 2.05 ✕ 102 MV lightning bolt having a current of 1.95 ✕ 104 A?

A: The power = Voltage × current.  Or,  P= V×I

Q: Four 8.0-KW resistors are connected in parallel. What is their equivalent resistance? 0.054 KW О.13…

A: Given  Resistance R1=R2=R3=R4=8kW

Q: The current ia in the circuit shown in the figure is 4.0 mA . (Figure 1) {2 ΚΩ 1 ΚΩ 3 ΚΩ www Σ4 ΚΩ

A: Given, The current,  ia=4mAia=4×10-3A Now, -2i0+1×ia+4×ia+3×ia=02i0=8ia2i0=8×4i0=16mA

Q: An astronaut uses a small​ motor, rated at​ 93% efficient, that is connected to a​ 12-volt [V] power…

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Q: hat current (in kA) is needed to transmit 130 MW of power at a voltage of 29.0 kV? b. Find the…

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Q: A 850 ft. conductor with a diameter of 0.08 inches has a resistance of 79.7 Ω @ 20°C. What material…

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Q: An electric hot plate has a power output of 2.71 kW when connected to a 93.53 V source. What is the…

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Q: A 60W lightbulb is the only element in a circuit powered by a 120V household outlet. What is the…

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Ohm's law

Ohm’s law is a prominent concept in physics and electronics. It gives the relation between the current and the voltage. It is used to analyze and construct electrical circuits. Ohm's law states that the voltage across a conductor is directly proportional to the current flowing through it.

Path of Least Resistance

In a series of alternate pathways, the direction of least resistance is the actual or metaphorical route that offers the least resistance to forwarding motion by a given individual or body.