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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. (C) in Which Circuit, If One Bulb Blows Out, All Other Will Stop Glowing? - 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. 

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

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उत्तर

(c) Series circuit 

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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 8.3

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संबंधित प्रश्न

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. 

  


If the lamps are both the same in the figure given below and if A1 reads 0.50 A, what do A2, A3, A4 and A5 read? 


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


The lamps in a house hold circuit are connected in parallel because:

(a) this way they required less current
(b) if one lamp fails the others remain lit
(c) this way they require less power
(d) if one lamp fails the other also fail


A cell supplies a current of 1.2 A through two 2 Ω resistors connected in parallel. When the resistors are connected in series, it supplies a current of 0.4 A. Calculate:

(i) the internal resistance and (ii) e.m.f. of the cell. 


The following circuit diagram shows three resistors 2 Ω, 4 Ω and R Ω connected to a battery of e.m.f 2V and internal resistance 3 Ω. If the main current of 0.25 A flows through the circuit, find:

  1. the p.d. across the 4 Ω resistors,
  2. the p.d. across the internal resistance of the cell,
  3. the p.d. across the R Ω or 2 Ω resistors, and
  4. the value of R.


State the relation between work, charge and potential difference for an electric circuit.


Tell the odd one out. Give a proper explanation.


Name the physical quantity which defines the rate of flow of charge.

State two important precautions you should observe while using electricity?

Tick(✓) the correct choice in the following:

Which of the following quantities has the same value for all electrical
appliances connected to the ring main circuit in a house?


Fig.  shows a 3 pin plug with the cover removed. The electric cable
connected to the plug contains 3 wires with colour coded insulation namely brown, blue and green.

  1. Identify each of the colour coded wires by stating to which of the
    terminals A, B or C in the diagram they should be connected.
  2. Identify the terminal through which no current passes in normal
    circumstances.
  3. What is the purpose of the earthed wire connected to an electric
    appliance like an electric heater? Describe how it works.

A 3 pin mains plug is fitted to the lead for a 1 kW electric kettle to be used on a 250 V A.C. supply. Which of the following statements is NOT correct?
(a) A 13 A fuse is the most appropriate value to use.
(b) The brown wire should be connected to the live side of the mains.


State the S.I. units of electrical power.


An electric bulb is rated '100 W, 250 V'. How much current will the bulb draw if connected to a 250 V supply?


An electrical gadget can give an electric shock to its user under certain circumstances. Mention any two of these circumstances.


In current electricity, a positive charge refers to ______.


Coulomb is the SI unit of ____________.


Electric current passes through a metallic conductor due to the movement of ______.


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