sujitshrestha047 sujitshrestha047

10-02-2022
Engineering

contestada

4 A metal wire of length 1cm and of uniform diameter has a resistance 0.8ohms. What is the resistance of a 50 cm. wire coil made of the same material but having twice it's diameter.

Respuesta :

susmitat989 susmitat989

10-02-2022

Answer:

None of the above. Resistance is directly proportional to length, inversely proportional to cross-sectional area. Pay attention in class, and observe that even easy multiple choice questions can have only wrong answers if the setter makes a mistake.

Answer Link

Otras preguntas

Which equation represents the total ionic equation for the reaction of HNO3 and NaOH? • H + OH -> H2O HNO3 + NaOH — NaNO3 + H20 H* + NO3 + Na+ + OH — Na + N

2 examples of ratio

¿En qué año se publicó la novela “Cien años de soledad? a. 1977 c. 1982 b. 1967 d. 1975

Which equation has water as a reactant in the chemical reaction

The means of 40, 20,16,20,17,12,15

Compare and contrast the environmental consequences of reliance on coal with reliance on petroleum.

How big was the largest hailstone ever recorded to fall from the sky?

What mistake did Carl make? Carl makes the table below to determine the number of atoms of each element in the chemical formula 4Ca(CIO3)2. Element Calculation

One idea shared by the Mayflower Compact and the Declaration of Independence was that all men a.needed to pay taxes. b.were equal under the law. c.should be fr

• Ninety - one more than twice a number is seventy-five more than that number.