Advertisements
Advertisements
Question
What happens to the other bulbs in a parallel circuit if one bulb blows off?
Advertisements
Solution
When one of the bulbs in a parallel circuit blows off, it does not affect the other bulbs
APPEARS IN
RELATED QUESTIONS
Define the unit of current.
Draw the electrical symbols of the following components and state its use:
Rheostat (variable resistance)
Three 2 V cells are connected in series and used as a battery in a circuit.
How many joules of electrical energy does 1 C gain on passing through (i) one cell (ii) all three cells?
How many electrons are flowing per second past a point in a circuit in which there is a current of 5 amp?
A p.d. of 6 V is applied to two resistors of 3 Ω and 6 Ω connected in parallel. Calculate:
(a) the combined resistance
(b) the current flowing in the main circuit
(c) the current flowing in the 3 Ω resistor.
In which of the following cases more electrical energy is consumed per hour?
(i) A current of 1 ampere passed through a resistance of 300 ohms.
(ii) A current of 2 amperes passed through a resistance of 100 ohms.
Draw a schematic diagram of an electric circuit consisting of a battery of two cells each of 1.5 V, 5 Ω, 10 Ω and 15 Ω resistors and a plug key, all connected in series.
Distinguish between an open and a closed circuit.
What is the function of a step-up transformer?
An electric bulb is rated '100 W, 250 V'. How much current will the bulb draw if connected to a 250 V supply?
Three heaters each rated 250 W, 100 V are connected in parallel to a 100 V supply of the energy supplied in kWh to the three heaters in 5 hours.
