Question

When connected to a battery, a lightbulb glows brightly. If the battery is reversed and reconnected to the bulb, the bulb will glow
brighter.
dimmer.
with the same brightness.
not at all.

Answer 1

the current can flow only if battery is connected with proper terminals.

if the terminals are reversed, the current cannot flow at all.

Answer 2

if the current won't flow, the bulb won't glow.

Answer 3

lol, that rhymed :P

Answer 4

that made alot of sense your awesome thank you very much!

Answer 5

oh noo it says its wrong

Answer 6

hmm, then only thing possible is that the current will flow in opposite direction.

then the bulb will glow with same brightness

Answer 7

as brightness depends on Power dissipation
Power dissipated = I^2 *R

now its +I or -I (terminals reversed) , power dissipated will be same

Answer 8

hmm, but in reality the remote wont work if you switch the battery around

Answer 9

^
thats was my first instinct
but your test does not seem to agree with us

Answer 10

prolly thats not true with light bulbs

Answer 11

ahah okay lemme try it =)

Answer 12

thats right! ahah thank you very much

Answer 13

welcome ^_^