V = IR — यदि R स्थिर हो और V दोगुना हो, तो I कितना होगा?

उत्तर: (B) दोगुना — From V=IR: I=V/R. If V doubles and R is constant, I also doubles. Current is directly proportional to voltage at constant resistance. This is Ohm's Law. Graph of V vs I is a straight line through orig...