The potential difference between two points in an electric circuit is 30 V. If 2 J of energy were dissipated in a period of 5 milliseconds, what would the current be between the two points?

Q: The resistance of a circuit remains the same, but the current though the resistor suddenly triples.…

A: Consider, resistance of the circuit, R Current in the circuit, I

Q: If a charge of 2 coulombs is flowing past a point in a circuit in 1 second, what is the current…

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Q: The voltage across the two charges (with the same magnitude), measured using a multi tester is 6.5…

A: In this question we have been given the value of voltage between two charges and we have to find the…

Q: If electricity costs 10.0 cents per kW·h, how much does it cost to operate the device for 9.1 hours?…

A: Given: Cost of electricity is 10.0 cents for 1 kW.h. The device is operated for 9.1 hours. If you…

Q: The value of voltage V is 30 10V수 20

A: Given that, V1=10 VR1=2 ΩR2=3 Ω Net resistance is: R=R1R2R1+R2=2×32+3 Ω=1.2 Ω

Q: The electric power of a lamp that carries 2-A at 120-V is

A: electric power = Current x  voltage   electric power of a lamp = (2A) x (120V)  electric power of a…

Q: The current is the result of the flow of . and the Sl unit of current is the. ..... A) the neutral…

A: Current is the rate of flow of charges with respect to time. Charges could be positive, negative or…

Q: What is the effect on the current in a wire if both the voltage across it and its resistance are…

A: Write the expression for current

Q: How much does it cost to run a 1500-W hair dryer for 27 minutes each day for one month (30 days) at…

A:

Q: If a circuit had a very high Voltage, and a very low c very high resistance very low resistance O no…

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Q: If the resistance is increased in the conductor with no change to the voltage, what is expected to…

A: Answer: The correct option is B) The current will decrease   Explanation: According to Ohm's law,…

Q: there is a current of 3.50A through a toaster connected to a 120V circuit. what is the resistance of…

A: The resistance of the toaster is 34.29 ohms. The following page contains the detailed solution.

Q: You have 3 resistors and a battery to form a closed circuit. Two 2-Ohm resistors are in series with…

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Q: A relay with a resistance of 12 ohms is in an electric circuit with one side at a potential of 85…

A: Ohm's law If the voltage difference between two terminal of a conductor is V and resistance of the…

Q: HOW MUCH ENERGY IS USED TO MOVE 10 COULOMBS FROM ONE POINT IN A CIRCUIT TO ANOTHER WHEN THE VOLTAGE…

A: Given data:  Charge (q) = 10 C Potential difference (ΔV) = 12 V Required: Energy (U)

Q: What is the current of 1500 C passing through a wire in 2 minutes?

A: Current: The total charge passes through a wire per unit time is known as current. I = Q/t The unit…

Q: When a light bulb is connected to a 15-volt battery, the current of 2.4 A flows through it. When the…

A: Given, Voltage V1 = 15 V Current I = 2.4 A Voltage V = 40 V   We know the expression for ohms law is…

Q: The resistance (in Ω) of a light bulb rated 120 W, 240 V that draws an electric current of 1 A is

A: Given Power rated is P=120 W Voltage rated is V= 240 V Find the resistance of a light bulb.

Q: In a series circuit containing two lamps, the battery supplies a potential difference of 1.5 volts.…

A: rate of use of energy means power required for blowing bulb. therefore, Power =WorkTime=V·I

Q: The current is 25 A and the resistance is 1000 Ω. Which is the power? 25,000 W 0.625 W 0.025 W…

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Q: What is the Output Voltage of a battery that expends 5.6j of energy in moving 0.5C or charge?

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Q: The resistance (in Ω) of a light bulb rated 120 W, 140 V that draws an electric current of 1 A is

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Q: Two different resistors are connected in parallel. The resultant resistance is  a. equal to the…

A: Given : Two different resistors are connected in parallel.

Q: What kind of electricity does a computer consume?

A: To discuss the kind of electricity that a computer consume.

Q: A circuit consists of one power supply and one resistor which dissipates 40 W of power. The…

A: Given data:  Original power (P) = 40 W New resistance (R') = 2R The potential is same Required: The…

Q: The current in a circuit is tripled by connecting a 500 Q resistor in parallel with the resistance…

A: Given  Resistance R=500 Ω Voltage V  I'=3I

Q: The voltage across a certain device in a circuit is measured to be 11.0 V. If it is known that 0.44…

A: The voltage across a device is, V=11 V The charge passes through the device is, Q=0.44 C

Q: A 20 Ω lamp and a 30 Ω lamp are connected in parallel with a 10 V battery. Calculate the following:…

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Q: A 1500-W heater is connected to a 120-V line. How much heat energy does it produce in 2.0 hours? 1.5…

A: Given data, Power (P)=1500 W Voltage (V)=120 V Time(t)=2.0 hours

Q: How much current is flowing through a wire if 21.5 C of charge passes a point in 6.3 seconds?

A: Given data:  Charge (q) = 21.5 C Time (t) = 6.3 s Required: Current (I)

Q: What is the effect on the current in a wire if both the voltage across it and its resistance are…

A: Ohm’s law is given by

Q: "A circuit with parallel connected resistors of 2 ohms, 5 ohms, 10 ohms and 15 ohms. On which…

A:

Q: Which wire has higher resistance if a wire of length 2m and another wire of length 5m are made up of…

A: The 5 m wire has higher resistance Resistance is directly proportional to the length of the wire,…

Q: A voltmeter connected between two points P and Q in an electrical circuit shows a reading of 1V.…

A:

Q: How much energy does a toaster use if it is rated at 1200 W and runs current for 2 minutes as it…

A:

Q: Two light bulbs are in series, one operating at 120.0 W and the other operating at 60.0 W. If the…

A: Given Two light bulbs power = 120W and 60W Voltage                         = 120 V

Q: A current of 0.2 Ampere flows through a conductor of resistance 4.5 2. Calculate the potential…

A: Given data The current in the circuit is given as I = 0.2 A. The resistance that flows through the…

Q: a charge of 22 coulombs is flowing past a point in a circuit in 10 seconds, what is the current…

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Q: How much does it cost to run a 1500-W hair dryer for 43 minutes each day for one month (30 days) at…

A: Given data: Power (P) = 1500 W = 1.5 kW Daily uses = 43 minutes Number of days = 30 Cost of…

Q: ^. A current of 0.2 Ampere flows through a conductor of resistance 4.5 2. Calculate the potential…

A: Given data,    Current  =  I    Resistance  =  R       Required,     Potential difference

Q: an electric clothes dryer is rated at 4000 W how much energy does it use in 40 minutes

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Q: How much does it cost to run a 1500-W hair dryer for 18 minutes each day for one month (30 days) at…

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Q: A 20 Ω lamp and a 30 Ω lamp are connected in series with a 10 V battery. Calculate the following:…

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Q: How many electrons constitute a current of 1 Ampere in one second?

A: Given: The electric current is 1 A. The time interval is 1 s.

Q: A charge of 4.50 C passes through a pocket calculator's solar cells in 3.50 h. What is the power…

A: Given data:  Charge (q) = 4.50 C Time (t) = 3.50 h Voltage (V) = 3.50 V Required: Power (P)

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

A: The power of heater is P=V2R=120 V290 Ω=160 W