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Tavishi Khanna
Subject: Physics
, asked 2 weeks, 5 days ago
What does a voltmeter measure....the potential difference or the voltage?? or are both of them the same thing?
Answer
3
Abijasree Bijukumar
Subject: Physics
, asked 3 weeks ago
What is the difference between resistor and variable resistor ( rheostat )?
Answer
1
Johann Premjith
Subject: Physics
, asked 3 weeks ago
a household uses the given appliances
calculate the electric bill with info as given
Answer
2
Johann Premjith
Subject: Physics
, asked 3 weeks ago
Analyse the diagrams given below and answer the following questions
(a) Identify the parallel and series combination of resistors
(b) Calculate the total resistance of the combinations.
(Given R
_{1 = }
2 ohm , R
_{2}
= 4 ohm and R
_{3}
= 6 ohm)
Answer
1
Johann Premjith
Subject: Physics
, asked 3 weeks ago
Electrical Resistivities of some substances at 20
^{o}
C are given below:
(a) Among Silver and Copper which is a best conductor and why?
(b) Which material would you advise to be used in electrical heating devices? Why?
Answer
2
Johann Premjith
Subject: Physics
, asked 3 weeks ago
Three incandescent bulbs of 100W each are connected in series in an electric circuit. In another circuit another set of three bulbs of the same wattage are connected in parallel to the same source.
(a)Will the bulb in the two circuits glow with the same brightness? Justify your answer.
(b)Now let one bulb in both the circuit gets fused. Will rest of the bulbs continue to glow in each circuit? Give reason.
Answer
1
Neha Thottathil Boby
Subject: Physics
, asked 3 weeks, 1 day ago
Anyone please explain the question in pg 221 question 6 of physics chapter electricity ncert reader. Please explain the mathematical step. I couldn't do this.
Answer
3
Siddharth Mithra
Subject: Physics
, asked 3 weeks, 2 days ago
What is the direction of flow of electrons? What is meant by conventionally in the ncert reader?
Answer
1
Anushka
Subject: Physics
, asked 3 weeks, 3 days ago
Plz ans mu question quick
Answer
2
Manasvi
Subject: Physics
, asked 3 weeks, 3 days ago
Find the value of resistance if 5 electrons are flowing for 10s in a conductor across which 200V potential difference is applied.
Answer
3
Manasvi
Subject: Physics
, asked 3 weeks, 3 days ago
Can 1000C of charge be possible? Explain.
Answer
1
Ujjwal Kumar
Subject: Physics
, asked 3 weeks, 4 days ago
When 10,000 electron are bombarded on a screen then what is the total charge?
[Electricity]
Answer
1
Utkarsh
Subject: Physics
, asked 3 weeks, 5 days ago
Difference between resistance and resistivity
Answer
1
Saumya
Subject: Physics
, asked 4 weeks ago
Experts plzz solve this question
Answer
1
Manasvi
Subject: Physics
, asked 4 weeks ago
Find the number of electrons if a conductor carries 50A current in 20s.
Answer
2
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What are you looking for?

What is the difference between resistor and variable resistor ( rheostat )?a household uses the given appliances

calculate the electric bill with info as given

(a) Identify the parallel and series combination of resistors

(b) Calculate the total resistance of the combinations.

(Given R

_{1 = }2 ohm , R_{2}= 4 ohm and R_{3}= 6 ohm)^{o}C are given below:(a) Among Silver and Copper which is a best conductor and why?

(b) Which material would you advise to be used in electrical heating devices? Why?

Three incandescent bulbs of 100W each are connected in series in an electric circuit. In another circuit another set of three bulbs of the same wattage are connected in parallel to the same source.(a)Will the bulb in the two circuits glow with the same brightness? Justify your answer.

(b)Now let one bulb in both the circuit gets fused. Will rest of the bulbs continue to glow in each circuit? Give reason.

[Electricity]