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13. Some light bulbs are connected...

SOME LIGHT BULBS ARE CONNECTED IN PARALLES TO 120 V SOURCE AS SHOWN IN THE
FIGURE .EACH BULB DISSIPATES AS POWER OF 60 W .THE CIRCUIT HAS A FUSE F THAT
BURNS OUT WHEN THE CURRENT IN THE CICUIT EXCEEDS 9A .DETERMINE THE LARGEST
NUMBER OF BULBS, WHICH CAN BE USED IN THIS CIRCUIT WITHOUT BURNING OUT THE FUSE

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SOME LIGHT BULBS ARE CONNECTED IN PARALLES TO 120 V SOURCE AS SHOWN IN THE
FIGURE .EACH BULB DISSIPATES AS POWER OF 60 W .THE CIRCUIT HAS A FUSE F THAT
BURNS OUT WHEN THE CURRENT IN THE CICUIT EXCEEDS 9A .DETERMINE THE LARGEST
NUMBER OF BULBS, WHICH CAN BE USED IN THIS CIRCUIT WITHOUT BURNING OUT THE FUSE

--------------------------------------------------------------------------------

CAREER POINT-MOCK TEST 9-CHEMISTRY
21 videos

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UPDATED ON: 27-06-2022

Text Solution

A
9
B
18
C
25
D
34
Answer
The correct Answer is 2
Solution
60=V2R
60=120×120R
R=240Ω
"Suppose total bulb are N"
Req=RN
i=120RN
120NR=9
120N240=9
N=18
if N > 18 "bulb get fuse"

Answer

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excellent marks in exams.

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A circuit has a fuse of 5 A. What is the maximum number of 100 W (220 V) bulbs
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विद्युत परिपथ में फ्यूज तार का उपयोग क्यों किया जाता हैं ? एक बैटरी से किसी बल्ब
में धारा प्रवाहित की जानी हैं, इस परिपथ में बल्ब की सुरक्षा के लिए फ्यूज तार के
संयोजन को परिपथ आरेख द्वारा स्पष्ट कीजिए |

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Three 60W,120V light bulbs are connected across a 120V power lines as shown in
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dissipated in the three bulbs.

357174990

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In the circuit diagram shown in figure,a fuse bulb can cause all other bulbs to
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A house hold circuit has a fuse of 5 A rating. Calculate the maximum number of
bulbs rated 60 W —220 V each, which can be connected in- this household circuit?

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05:35
A household circuit has a fuse 5A rating. Calculate the maximum number of bulbs
rated 60W−220.V each, which can be connected in this household circuit?

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Three 60 W , 120 V light bulbs are connected across a 120 V power lines as shown
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Three 60 W, 120 V light bulbs are connected across a 120 V source as shown in
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There is a fused bulb in the given circuit . This causes only one bulb to remain
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Text Solution
A circuit has a fuse having a rating of 5 A. What is the maximum number of 100
W-220 V bulbs that can be safely connected in parallel in the circuit?

647536721

01:34
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