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प्रश्न
What is a circuit diagram
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उत्तर
A circuit diagram is a diagram that indicates how different components in a circuit have been connected, using electrical symbols for the components.
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संबंधित प्रश्न
What do the following symbols mean in circuit diagrams?
What do the following symbols mean in circuit diagrams?
Draw circuit symbols for
a cell
The accompanying figure shows some electrical appliances connected in a circuit in a house. Answer the following questions.
- By which method are the appliances connected?
- What must be the potential difference across individual appliances?
- Will the current passing through each appliance be the same? Justify your answer.
- Why are the domestic appliances connected in this way?
- If the T.V. stops working, will the other appliances also stop working? Explain your answer.
Match the column ‘A’ with column ‘B’.
|
Column ‘A’
|
Column ‘B’ |
|
(1) Eka - boron
|
(a) Germanium
|
|
(2) Eka - Aluminium
|
(b) Scandium
|
|
(3) Eka - Silicon
|
(c) Gallium |
What do you understand by the closed electric circuit
The unit of electrical power is _______.
The switch is used to close or open an electric circuit.
Assertion: People struck by lightning receive a severe electrical shock.
Reason: Lightning carries very high voltage.
When a circuit is open, _____ cannot pass through it.
What is the role of the earth wire in domestic circuits?
______ is a kind of fish which is able to produce an electric current.
When an electric current flows through a copper wire AB as shown in the following figure, the wire
Our body is a ______ of electricity.
Draw the symbols of the following circuit components.
Switch in off position
Match the following
| 1. | Insulator | a. | Coulomb |
| 2. | Conductor | b. | Electric circuit |
| 3. | Closed path | c. | Copper |
| 4. | Electric charge | d. | Rubber |
Overloading of electric circuits can lead to short-circuiting.
A complete circuit is left on for several minutes, causing the connecting copper wire to become hot. As the temperature of the wire increases, the electrical resistance of the wire
How is Joule's law effect useful in electric circuits where fuse is used as a safety device?
