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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

Calculate the number of electrons constituting one coulomb of charge.


What is the conventional direction of the flow of electric current? How does it differ from the direction of flow electrons?


Which unit could be used to measure current?

(a) Watt
(b) Coulomb
(c) Volt
(d) Ampere


The figure given below shows an electric circuit in which current flows from a 6 V battery through two resistors. 

 

  1. Are the resistors connected in series with each other or in parallel?
  2. For each resistors, state the p.d. across it.
  3. The current flowing from the battery is shared between the two resistors. Which resistor will have bigger share of the current?
  4. Calculate the effective resistance of the two resistors.
  5. Calculate the current that flows from the battery.

V1, V2 and V3 are the p.ds. across the 1Ω, 2Ω and 3Ω resistors in the following diagram, and the current is 5 A.  

Which one of the columns (a) to (d) shows the correct values of V1, V2 and V3measured in volts? 

           `V_1`   `V_2`  `V_3` 

(a)         1.0       2.0        3.0                    

(b)         5.0       10.0      15.0

(c)         5.0       2.5        1.6                 

(d)         4.0       4.0        2.0 


Consider the circuit given below: 

 

(a) In which circuit are the lamps dimmest?
(b) In which circuit or circuits are the lamps of equal brightness to the lamps in circuit (i)?
(c) Which circuit gives out the maximum light?  


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.


If a charge of 420 C flows through a conducting wire in 5 minutes what is the value of the current?


Give two uses of conductors.

Is electric potential a scalar or a vector physical quantity?

A battery of e.m.f. 15 V and internal resistance 3 ohm is connected to two resistors of resistance 3 ohm and 6 ohm in series. Find:
(i) The current through the battery,
(ii) The p.d. between the terminals of the battery.


The metal case of an electric appliance is earthed. Explain the reason.

An electric bulb is rated at 220 V, 100 W. What is its resistance? What maximum current can be passed through it?

The marking on an electric bulb reads; 200 V, 60 W. What does it mean?

Two cells each having an e.m.f. of 2 V and an internal resistance of 2Ω are
connected (a) In series, and ( b) In para 1le l as shown in fig. . What is the
current flowing through the cir cu it in each_ case?


What would be the danger involved in replacing a blown fuse with the one which would carry a large current?


State the S.I. units of electrical power.


A bulb marked 12 V, 24 W operates on a 12 V battery for 20 minutes. Calculate:

  1. The current flowing through it, and
  2. The energy consumed.

  1. What is meant by electric current?
  2. Name and define its unit.
  3. Which instrument is used to measure the electric current? How should it be connected in a circuit?

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


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