Explain why AC is used for the National Grid in preference to DC.

Q: How could you recognize that an electric current flowed in the circuit?

A: There are two main points by which the person can recognise that the current flowed in the circuit.…

Q: Your friend says that an amp (or ampere) and a volt really measure the same thing and the two terms…

A: No, the ampere and voltage do not measure the same thing. So they are not the same thing. Voltage is…

Q: Draw a series circuit with one battery, a 2 ohm resistor, a light bulb, and a switch to turn off the…

A:

Q: Transformers can be used to do what? (Select all correct answers.) step up the power in a circuit…

A: when electrical energy is transfered transformer are used to change the voltage of of the electical…

Q: Circuit A V (V) I (A) R (Q) Battery 12 V Lamp 1 2 A 20 Lamp 2 5 V Lamp 3 Circuit B V (V) I (A) R (0)…

A: Since you have posted a question with multiple sub-parts , we will solve first three sub-parts for…

Q: How are the two types of circuit arranged differently?

A: To connect the two or more electrical devices in a circuit with an energy source, there are two main…

Q: As if you and your friends were electrons flowing through a circuit, imagine you and your friends…

A: If you and your friends were electrons flowing through a circuit, imagine you and your friends…

Q: When we turned off the T.V. , the light bulbs don't stop working. When we turned off the lights ,…

A: In household electrical circuit, all electical appliances are connected in parallel combination. All…

Q: 3. For the circuit shown below C₁ = .01μF, C₂ = = .047μF, and C3 = .047μF. Find the equivalent…

A: Given : Three capacitors  C1=0.01µF C2=0.047µF C3=0.047µF

Q: Explain how power is transmitted from the generating power station to your home using the Electrical…

A: At first, electricity is generated at generating station at 10kV voltage.  To decrease power loss,…

Q: Why is it necessary to have an earth wire installed in a power circuit, but not in a lightening…

A: Power circuit carries high power and costly devices. If there is some unwanted power signal in the…

Q: Use the information given in the following tables and the circuit to complete each table.

A:

Q: Please explain what happens when the efficiency of a transformer increases and when the percentage…

A: 1. A transformer is a device that transfers electrical energy from one circuit to another through…

Q: In a DC circuit with a single resistor, a current of 13 Amperes flows through a point in the…

A: Charge