The diagram illustrates an electric generator with the coil positioned vertically. Which row describes the generator?
- Athe generator produces a.c.; the voltage output will be zero when the coil is horizontal
- Bthe generator produces a.c.; the voltage output will be zero when the coil is vertical
- Cthe generator produces d.c.; the voltage output will be zero when the coil is horizontal
- Dthe generator produces d.c.; the voltage output will be zero when the coil is vertical