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How Do You Think the Brightness of Two Lamps Arranged in Parallel Compares with the Brightness of Two Lamps Arranged in Series (Both Arrangements Having One Cell)?

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प्रश्न

How do you think the brightness of two lamps arranged in parallel compares with the brightness of two lamps arranged in series (both arrangements having one cell)?

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उत्तर

The brightness of two lamps arranged in parallel will be more compared with the brightness of two lamps arranged in series because a parallel circuit offers less resistance.

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अध्याय 4: Electricity - Exercise 6 [पृष्ठ २३८]

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लखमीर सिंग Physics Part 1 [English] Class 10
अध्याय 4 Electricity
Exercise 6 | Q 16. | पृष्ठ २३८

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संबंधित प्रश्न

A Radio Set Draws a Current of 0.36 a for 15 Minutes. Calculate the Amount of Electric Charge that Flows Through the Circuit. 


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a voltmeter be very large?


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What current flows from the battery?


In the circuit diagram  given below, three resistors R1, R2, and R3 of 5 Ω, 10 Ω and 30 Ω, respectively are connected as shown 

  

Calculate:

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  3. total resistance in the circuit.

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 


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.

  1. Which circuit would have the highest voltage across each bulb?
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  3. In which circuit, if one bulb blows out, all others will stop glowing?
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a. for decreasing resistance in a circuit.
(Resistors in series / Resistors in parallel)

b. for getting protection from electric current.
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c. to measure the current in the circuit?
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