A bulb has a resistance of 30 Ω and operates at 6 V. Find the current.
A0.2 A
B180 A
C0.1 A
D0.5 A
Answer & Solution
Correct answer: A. 0.2 A
I = V/R = 6/30 = 0.2 A.
Related questions
A charged comb picks up small pieces of paper that carry no net charge, because the paper Compared with the tiny nucleus, the electrons around it form a cloud that is:Benjamin Franklin explained early observations by supposing that one type of charge stayedA test charge or a source charge moves, and as a result the force between them:If the two ends of a dipole can be pulled apart, induction can create charged objects withPlaced in a uniform field, such a dipole experiences a turning effect that changes its angTwo equal and opposite charges separated by a small distance form a dipole, characterised Where those lines are packed more densely, the field is: