Advertisements
Advertisements
प्रश्न
Are switches connected in the neutral or live wire?
एक पंक्ति में उत्तर
Advertisements
उत्तर
Switches are always connected in live wire.
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
1 A = _________ mA
- 102
- 103
- 10-3
- 10-6
Draw the electrical symbols of the following components and state its use:
Ammeter.
Which particles constitute the electric current in a metallic conductor?
Which is the better way to connect lights and other electrical appliances in domestic wiring: series circuits or parallel circuits? why?
Distinguish between an open and a closed circuit.
An electric bulb is rated 250 W, 230 V. What information does this convey? Calculate the current through a 60 W lamp rated for 250 V. If the line voltage falls to 200 V, how is the power consumed by the bulb affected?
Find the effective resistance in the following circuit diagrams (Fig.):

A bulb is connected to a battery of p.d. 4 V and internal resistance 2.5 Ω . A steady current of 0.5 A flows through the circuit. Calculate:
The energy dissipated in the bulb in 10 minutes.
What is meant by internal resistance of a cell?
- What is meant by electric current?
- Name and define its unit.
- Which instrument is used to measure the electric current? How should it be connected in a circuit?
