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Ten Bulbs Are Connected in a Series Circuit to a Power Supply Line. Ten Identical Bulbs Are Connected in a Parallel Circuit to an Identical Power Supply Line. (A) Which Circuit Would Have the Highest Voltage Across Each Bulb? - Science

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प्रश्न

Ten bulbs are connected in a series circuit to a power supply line. Ten identical bulbs are connected in a parallel circuit to an identical power supply line. 

(a) Which circuit would have the highest voltage across each bulb?

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उत्तर

(a) The parallel circuit will have the highest voltage across each bulb.

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अध्याय 1: Electricity - Exercise 6

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लखमीर सिंग Physics (Science) [English] Class 10
अध्याय 1 Electricity
Exercise 6 | Q 8.1

वीडियो ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्न

Choose the correct alternative and rewrite the following sentence.

When the resistance of a conductor increases, the current will ________ increase.


In 10 s, charge of 25 C leaves a battery, and 200 J of energy are delivered to an outside circuit a result. 

What current flows from the battery?


What happens to the other bulbs in a parallel circuit if one bulb blows off?


Which type of circuit, series or parallel, is preferred while connecting a large number of bulbs:  

(b) for lighting inside the rooms of the hotel?

 


Ten bulbs are connected in a series circuit to a power supply line. Ten identical bulbs are connected in a parallel circuit to an identical power supply line. 

(c) In which circuit, if one bulb blows out, all other will stop glowing?


Using the circuit given below, state which of the following statement is correct?  

(a) When S1 and S2 are closed, lamps A and B are lit.22
(b) With S1 open and S2 closed, A is lit and B is not lit.
(c) With S2 open and S1 closed A and B are lit.
(d) With S1 closed and S2 open, lamp A remains lit even if lamp B gets fused.


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. 

 


The rating of a fuse connected in the lighting circuit is:
(a) 15 A (b) 5 A (c) 10 A (d) Zero


Is electric potential a scalar or a vector physical quantity?

A 200 v electric transfer draws an electric current of 11 A. What is its electrical resistance?

State the commercial unit of electrical energy.

Define the following:

Semiconductors


Two resistors P and Q of the same material and length but of different thickness are connected in parallel to a battery. The cross- sectional area of P is twice that of Q. What is the ratio of
(a) The resistance of P to the resistance of Q?
(b) The current in P to the current in Q?


Explain with the help of a diagram how does 'short circuiting' occur in an electric kettle.


Electrical appliances have voltage and power ratings as listed below. Which
has the larger working resistance?

Appliances Voltage (V) Power (W)
(a) Washing machine 250 3000
( b) Television 240 160
(c)240 240 1500
( d) Hair curler 250 20
( e) Car head lamp 12 36

Tick (✓) the correct choice among the following :

Which of the following changes would enable a millimeter to be used as a
direct current ammeter reading upto 1 A?


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Three heaters each rated 250 W, 100 V are connected in parallel to a 100 V supply. Calculate :

The total current taken from the supply


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.


Which of the following represents voltage?


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