What is the dunction of fuses or circuit breakers in a circuit?

Q: What's the biggest difference between a fuse and a circuit breaker?

A: The main difference between the fuse and circuit breaker is: The fuse is made of a metal piece which…

Q: Why is parallel circuit more often used in homes, offices, and industrial systems than series…

A: parallel circuit more often used in homes, offices, and industrial systems than series circuit

Q: What is the function of galvanometer in a circuit?

A: A galvanometer is a device that is used to measure small electrical current flowing in the circuit.…

Q: Illustrate the relationship of current, voltage and resistance using a graphic organizer or a comics…

A: the relationship of current, voltage and resistance is given by Ohm's law.

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: What is a circuit?

A: Answer : Correct option is (IV) A pathway that electrons flows in .It has a resistor , wire and a…

Q: How electricity flow in a circuit?

A:

Q: What does a negative voltage source mean

A: Charge is defined by the charge of electrons so negative voltage represents excess of electrons…

Q: What is the use of plug key in the circuit?

A: The plug key is used as a switch when pressed it to allow or interrupt the flow of current. It can…

Q: Your friend says that the equivalent (combined) resistance of resistors connected in series is…

A: When resistors are connected in series, current through them remains same. total voltage = sum of…

Q: Why Is Tungsten Metal Used In Bulbs But Not In Fuse Wires?

A: The following properties of tungsten are desirable for the filament of electric bulb: High Melting…

Q: What is the general name of the substances having infinitely high electrical resistance?

A: For insulator, the value of resistance is very high.

Q: What happens when the ammeter is connected in parallel and voltmeter is connected in series?

A: A voltmeter is used to measure potential difference across two points in an electrical circuit. A…

Q: is an example of good conductor of electricity.

A: The materials which fairly allows the electrons or electric current to flow through it, is referred…

Q: Christmas lights are an example of a series circuit. Orue O False

A: This statement is True

Q: What is the error in saying the source of electrons in a circuit is the battery or generator?

A: A continuous potential difference is needed for the flow of electric charges. The battery or…

Q: Your friend says that the equivalent (combined) resistance of resistors connected in series is…

A: Given:  Resistances in series

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: 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: When does an electric short circuit occur?

A: A common kind of short circuit happens when a battery's positive and negative terminals are attached…

Q: What is the relationship among electric power, current, and voltage?

A: Power is current times voltage.

Q: Name the three connecting wires used in household circuits.

A: The mains supply is delivered to houses using a three core wiring .

Q: What is a  simple electric circuit?

A: A simple electric circuit is the complete path circuit around which an electric current can flow.

Q: Does voltage flow through a circuit or is established across a circuit?

A: Voltage, as an expression of potential energy, is always relative between two points. It is also…

Q: What is volt equal to? coulombs per second; O joules per coulomb; O amperes per ohm; O joules per…

A: Voltage is the pressure from an electrical circuit's power source that pushes charged electrons…

Q: Electrical resistance is measured in O volts O amperes O joules O watts none are correct

A:

Q: Are there any gaps in the circuit?

A: Given: Circuit with bulbs, From the given figure compass needle deflected

Q: Should the voltmeter be connected in series or parallel with lamp in order to measure the voltage?…

A: The voltmeter should be connected in parallel in order to measure the voltage. A voltmeter is…

Q: Brightness of bulb depends on voltage or current?

A: The brightness depends on power.

Q: What does the term open circuit mean?

A: The term open circuit means that no current flows through the cell. Here, the continuity of the…

Q: What happens to current as resistance decreases

A: The relation between current and resistance can be given by the Ohm's law. The expression given by…

Q: A node in a circuit is the place where circuit elements are connected together

A: True, Nodes of Electric CircuitThe point through which an circuit element is connected to the…

Q: the decrease in voltage between two ends of a resistor is called?

A: We can measure between the voltage between the two ends of a resistor and on finding the values we…