Advertisements
Advertisements
प्रश्न
Write the condition required for a circuit to be a closed circuit.
Advertisements
उत्तर
For an electric circuit to be closed, every part of it must be made of conductors.
APPEARS IN
संबंधित प्रश्न
Draw a schematic diagram of a circuit consisting of a battery of three cells of 2 V each, a 5 Ω resistor, an 8 Ω resistor, and a 12 Ω resistor, and a plug key, all connected in series.
Redraw the circuit of question 1, putting in an ammeter to measure the current through the resistors and a voltmeter to measure the potential difference across the 12 Ω resistors. What would be the readings in the ammeter and the voltmeter?
Draw circuit symbols for
a battery of three cells
Draw circuit symbols for
an open switch
Two tungsten bulbs of power 50 W and 60 W work on 220 V potential difference. If they are connected in parallel, how much current will flow in the main conductor?
Explain about domestic electric circuits. (circuit diagram not required)
Assertion: In an open circuit, the current passes from one terminal of the electric cell to another.
Reason: Generally, the metal disc of a cell acts as a positive terminal.
Name the device used these days in place of electric fuses in electrical circuits.
Our body is a ______ of electricity.
Assertion: People struck by lightning receive a severe electrical shock.
Reason: Lightning carries very high voltage.
