The graph of voltage vs current for four different materials is shown below.Which of these four materials would be used for making the coil of a toaster?(a) Q(b) S(c) P(d) R

Which of these four materials would be used for making the coil of a toaster?

A coil of wire with a current is often called an _________.

Which three items below are used to make an electromagnet?

Which of the following material is the best suited for connecting wires in the electric circuit?1 pointCottonNylonWoolCopper

Name two electric devices for each where(a) heating effect of current is used and(b) magnetic effect of current is used