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Subject: Physics, asked 13 hours ago

What is Electric potential?

Subject: Physics, asked 1 day, 6 hours ago

When electric current is passed electrons move from ____ to ____ potential.

Subject: Physics, asked 1 day, 18 hours ago

Draw Circuit Diagrams for SERIES and PARALLEL consisting of 1 resistor, 3 cells, an Ammeter, a Voltmeter, a Key and Connecting wires

Subject: Physics, asked 2 days, 8 hours ago


Over here, I cannot understand the explanation of the answer given...I mean don't electrons flow from a region of lower potential to higher potential? so then how can Q be at lower potential? Please explain the explanation.

Subject: Physics, asked 2 days, 10 hours ago

Please briefly explain the difference between these terms:
Electric current, Electric circuit, Electric charge, Electric conductor and The flow of Electrons.

Subject: Physics, asked 2 days, 10 hours ago

What does a voltmeter measure....the potential difference or the voltage?? or are both of them the same thing? 

Subject: Physics, asked 3 days, 2 hours ago

good evening sir... just wanted to ask if we are doing electricity because its the first chapter.

Subject: Physics, asked 3 days, 18 hours ago

Explain the working of electricity generator

Subject: Physics, asked 4 days, 5 hours ago

An object 20 cm from a spherical mirror gives rise to a virtual image 15 cm behind the mirror. The type of the mirror and its focal length is

Subject: Physics, asked 4 days, 8 hours ago

What is the difference between resistor and variable resistor ( rheostat )? 
 

Subject: Physics, asked 4 days, 10 hours ago


a household uses the given appliances
calculate the electric bill with info as given

Subject: Physics, asked 4 days, 10 hours 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 R1 = 2 ohm , R2 = 4 ohm and R3 = 6 ohm)

Subject: Physics, asked 4 days, 11 hours ago

Electrical Resistivities of some substances at 20oC 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?

Subject: Physics, asked 4 days, 11 hours 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.
 

Subject: Physics, asked 5 days 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.

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