franvelpaulino87861 franvelpaulino87861

23-01-2024
Mathematics

contestada

The efficiency of a cell when connected to a resistance R is 60%. What will be its efficiency if the external resistance is increased to six times?
A. 10%
B. 12%
C. 15%
D. 20%

Respuesta :

Otras preguntas

Jose traveled to the town hall and back. The trip there took five hours and the trip back took four hours. He averaged 35 km/h on the return trip. Find the aver

The volume of a cardboard box is 729,000 centimeters squared. The box is 90 cm wide and 90 cm high. What is the length of the box? (Also, how do I solve this??

Suppose you earn $7.25 per hour working part-time for a florist. Write and solve an inequality to find how many full hours you must work to earn at least $125.

Why does chlorophyll break down in autumn?

a museum has 50 pieces of art to display in an exhibit. of these, 11 are photos and 39 are color paintings. the manager wants to add more photos so they repre

What is 0.234 as a percent

What goals did the movement of the new left achieve?

IN THE 1900 HOW WERE THE US SENATE CHOSEN

the cheerleaders are making a rectangular banner for a football game. the length of the banner is 30 ft long. the cheerleaders can use no more than 96 feet of t

A baseball team wants to collect at least 160 cans of food for an upcoming food drive. Team members brought 42 cans of food on Monday and 65 cans of food on Wed