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State how are the two resistors joined with a battery when potential difference is same across each resistor.

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प्रश्न

State how are the two resistors joined with a battery when potential difference is same across each resistor.

एक शब्द/वाक्यांश उत्तर
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उत्तर

Parallel 

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  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 8: Current Electricity - EXERCISE - 8(B) [पृष्ठ २००]

APPEARS IN

सेलिना Concise Physics Part 2 [English] Class 10 ICSE
अध्याय 8 Current Electricity
EXERCISE - 8(B) | Q 10. (b) | पृष्ठ २००

संबंधित प्रश्न

An electric lamp of 100 Ω, a toaster of resistance 50 Ω, and a water filter of resistance 500 Ω are connected in parallel to a 220 V source. What is the resistance of an electric iron connected to the same source that takes as much current as all three appliances, and what is the current through it?


A wire of resistance R1 is cut into five equal pieces. These five pieces of wire are then connected in parallel. If the resultant resistance of this combination be R2, then the ratio `R_1/R_2` is: 

(a) `1/25`

(b)1/5

(c)5

(c)25


State how are the two resistors joined with a battery when equivalent resistance is less than either of the two resistances.


Which of the following combinations have the same equivalent resistance between X and Y?


You have three resistors of values 2Ω, 3Ω and 5Ω. How will you join them so that the total resistance is less than 1Ω? Draw diagram and find the total resistance. 


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(a) How much heat energy is produced?
(b) How much charge is passed through the resistance?


What connection is used in domestic appliances and why?


A piece of wire having a resistance R is cut into five equal parts.

  1. How will the resistance of each part of the wire change compared with the original resistance?
  2. If the five parts of the wire are placed in parallel, how will the resistance of the combination change?
  3. What will be ratio of the effective resistance in series connection to that of the parallel connection?

The diagram above is a schematic diagram of a household circuit. The house shown in the above diagram has 5 usable spaces where electrical connections are made. For this house, the mains have a voltage of 220 V and the net current coming from the mains is 22A.

  1. What is the mode of connection to all the spaces in the house from the mains?
  2. The spaces 5 and 4 have the same resistance and spaces 3 and 2 have respective resistances of 20Ω and 30Ω. Space 1 has a resistance double that of space 5. What is the net resistance for space 5.
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  4. What should be placed between the main connection and the rest of the house’s electrical appliances to save them from accidental high electric current?

A piece of wire of resistance R is cut into three equal parts. These parts are then connected in parallel. If the equivalent resistance of this parallel combination is R1, what is the value of the ratio R1 : R?


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