EASY
Earn 100

If copper and silicon pieces are heated, the resistance of
(a)Each will increase
(b)Each will decrease
(c)Copper will increase and silicon will decrease
(d)Copper will decrease and silicon will increase

46.67% studentsanswered this correctly
Important Questions on Current Electricity
EASY
The potential difference between points and of adjoining figure is

EASY

EASY

EASY

EASY

EASY

EASY

HARD

EASY

EASY

HARD

MEDIUM
When light shines on a junction diode, the current versus voltage is observed as in figure below.
In which quadrant(s) does the diode generate power, so that it can be used as a solar cell?

MEDIUM

MEDIUM

EASY

EASY

EASY

EASY

EASY

EASY

