Answer: A continuous and closed path of an electric current is called an electric circuit. An electric circuit consists of electric devices, a source of electricity and wires that are connected with the help of a switch.
What is electric circuit and its unit?
An electric circuit is a path in which electrons from a voltage or current source flow. It’s SI unit is ampere(A) Niccherip5 and 5 more users found this answer helpful.
What means electric circuit?
electric circuit, path for transmitting electric current. An electric circuit includes a device that gives energy to the charged particles constituting the current, such as a battery or a generator; devices that use current, such as lamps, electric motors, or computers; and the connecting wires or transmission lines.
What is an electric circuit in short?
A circuit is a closed path that consists of circuit components in which electrons from a voltage or current source can flow. … The point where electrons enter an electrical circuit is called the “source” of electrons. The point where the electrons leave an electrical circuit is called the “return” or “earth ground”.
What is electric circuit for class 10th?
An electrical circuit is a network consisting of a closed-loop that gives a return path to the current flowing. The current flowing should be able to go from one terminal of the power source to the other.
What is current unit?
The SI unit of current is ampere which measures the flow of electric charge across a surface at the rate of one coulomb per second. Since the charge is measured in coulombs and time in seconds, so the unit is coulomb/Sec (C/s) or amp.
How is electricity measured in units?
A unit of energy equal to one kW applied for one hour; running a one kW equipment for one hour would dissipate one kWh of electrical energy as heat. The kilowatt-hour (symbolized kWh) is a unit of energy equivalent to one kilowatt (1 kW) of power expended for one hour (1 h) of time. 1 kWh = One thousand watt hours.
What does an electric circuit mean define the unit of current calculate the number of electrons constituting one coulomb of charge?
Question 3: Calculate the number of electrons constituting one coulomb of charge. Answer: One electron possesses a charge of 1.6 × 10–19 C, i.e., 1.6 × 10–19 C of charge is contained in 1 electron. ∴ 1 C of charge is contained in 1 / 1.6×10–19= 6.25×1018=6×1018 electrons.
What is volt meter?
voltmeter, instrument that measures voltages of either direct or alternating electric current on a scale usually graduated in volts, millivolts (0.001 volt), or kilovolts (1,000 volts). Many voltmeters are digital, giving readings as numerical displays.
What is an electric circuit class 7?
An electric circuit can be defined as a closed path through which electric current can flow. Various components such as battery, resistor, wire, key, bulb etc. can be connected in different ways to construct an electric circuit.
What is an electric circuit class 6?
Answer: The electric circuit is an arrangement that provides a pathway for the flow of electric current. It is a device comprising of switches, bulbs, wires and an electric cell.