Question

First, one light bulb is connected to a battery. Then, a second light bulb is connected in series to the same battery. What quantity has increased in this circuit?

Answer 1

The number of bulbs in the circuit. No I'm kidding.

Answer 2

LoL

Answer 3

Resistance? right

Answer 4

yes! that's right!

Answer 5

Sweet. One more!

Answer 6

more precisely: the electric resistance is doubled

Answer 7

Voltage can be induced in a wire by????

Answer 8

a variable magnetic field, please use the Faraday's law

Answer 9

moving the wire near a magnet, moving a magnet near the wire, &
changing the current in a nearby wire. Correct?

Answer 10

yes! correct!

Answer 11

Coo. Thanks!!

Answer 12

Thanks!! :)