Edaling results in time varying torque and speed. Suggest some methods to regulate output voltage when using a permanent magnet DC generator. Give some of the basic specifications of such a method or system

Acompound machine is also called a machine. a. force b. simple c. complex d. directional

Suppose you have three polarizing filters, with the second at an angle of 42∘ to the first and the third at an angle of 90∘ to the first. by what perfect will the original intensity of unpolarized light be reduced to after passing through all three filters?

Which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?