Please explain how to do charging by contact with a neutral electroscope and a negatively charged rod

Please explain how to do charging by contact with a neutral electroscope and a negatively charged rod

Two coils have a combined resistance of 25 when connected in series and a resistance of 4 when connected in parallel. What is the resistance of each coil? I want to get your helps. Regards...

I have 2 of each: 18 gauge copper wire, 18 gauge zinc wire, and 18 gauge aluminum wires. I also have 2 alligator clips and a 9 volt battery. How long would it take for each to separate 5 ml of tap...

Consider a household that consumes 400 kWh of electricity per month. This is equivalent to a power rate of 0.56 kW. If the average windspeed is 15.6 km/hr, determine the diameter of a windmill...

Im trying to find some answers for my Electricity 1 class

Estimate the amount and value of “free” energy provided by two adults living in a house 14 hours a day over the six months of the heating season. Assume that both adults have a diet of 2000...

What is the difference between an aluminium's GMR and a steel's GMR And what's its effect in transmission line thanks in advance

when do I use the absolute value brackets on the point charge? E = k (q)/r^2 vs E = k |q|/r^2 ?

How come when a group of people holding hands touch a fence, why does everyone receive an electric shock, surely the electricity should ground on the first person and he should be the only one electrocuted...

At the equator, there is a magnetic field B horizontal to the North and magnitude B: ... T (given) What is the magnitude and direction of the velocity of an electron e (me =9.31 x 10-31 Kg...

The temperature of the wire is 50 degrees (Celsius). Given that at 20 degrees, ρo = 2.82x10-8 Ωm and α = 3.9x10-3 /C. Determine: a) the resistivity of the wire b) the current...

a)The capacitance b)The charge on each plate c)The electric field between the plates d)The work done by the battery to charge the plates e)Which of the above values change is a dielectric is inserted...

The cost of electricity in a certain city is $.08 for each of the first 300kWh (kilowatt-hours) and $.13 for each kWh over 300 kWh. Find the number of kilowatt-hours used by a family that receives...

-FeSO4 -ZnBr2 -Mn(OH)2 -CsBr -CCl4 Please select all that are true!

This question is from chapter electricity of class 10. Anyone please give me the answer of this question.

Two positive charges are brought closer together. Describe the work done and the energy conversion that occurs.

charge of 50 μC is placed on the y axis at y = 3.0 cm and a 77-μC charge is placed on the x axis at x = 4.0 cm. If both charges are held fixed, what is the magnitude of the initial acceleration of...

In the house of Ram, there are 20 incandescent bulbs each of 100 W, three geysers each of 2000 W and 20 tubes of 40 W. All these appliances work for 5 hours in a day. Every month, he pays heavy...

What is the magnetic force on a particle that has –3.2 × 10–19 C of charge and is moving at 2.5 × 107 m/s to the right through a magnetic field that is 0.24 T and pointing away from you? Specify both...

Calculate the electric force that exists between two objects that are 7.3 × 10–2 m apart and carry charges of 4.5 × 10–6 C and –7.2 × 10–6 C. Is this force attractive or repulsive?