Advertisements
Advertisements
प्रश्न
The following figure shows the symbols for components used in the accompanying electrical circuit. Place them at proper places and complete the circuit.

Which law can you prove with the help of above circuit?
Advertisements
उत्तर

Electrical circuit showing the connection of various components
The above circuit can be proved by Ohm's law.
Ohm’s law The relationship between the current flowing through a wire (I) and the potential difference across its ends (V) can be obtained from the law that was given by the German scientist George Simon Ohm.
APPEARS IN
संबंधित प्रश्न
How does the short circuit form? What is its effect?
Who will spend more electrical energy? 500 W TV Set in 30 mins, or 600 W heater in 20 mins?
What do you understand by the open electric circuit?
Draw a neat diagram showing a closed electric circuit.
Explain the following:
Open circuit
In any electric circuit, when the switch is on and the current flows through it why do the wire, switches, bulb or devices become hot?
Flow of electricity through a closed circuit is _____.
In the given circuit diagram, which of the given switch(s) should be closed. So that only bulb A glows.

Rahul wants to make an electric circuit. He has a bulb, two wires, a safety pin, and a piece of copper. He does not have any electric cell or battery. Suddenly he gets some idea. He uses lemon instead of a battery and makes a circuit. Will the bulb glow?
In which among the following circuits does the bulb glow?
In the circuit shown, which switches (L,M or N) must be closed to light up the bulb?

State whether true or false. If false, correct the statement.
Ammeter is connected in parallel in any electric circuit.
In a simple circuit, why does the bulb glow when you close the switch?
______ is a kind of fish which is able to produce an electric current.
A child has drawn the electric circuit to study Ohm’s law as shown in Figure. His teacher told that the circuit diagram needs correction. Study the circuit diagram and redraw it after making all corrections.

When an electric current flows through a copper wire AB as shown in the following figure, the wire

What are the essential components of an electric circuit?
An electric motor rated 1100 W is connected to 220 V mains. Find:
- The current drawn from the mains,
- Electric energy consumed if the motor is used for 5 hours daily for 6 days.
- Total cost of energy consumed if the rate of one unit is 5.
