Physicseasy · Past Paper
A step-up transformer increases the:
ACurrent
BPower
CVoltage
DFrequency
✓ Correct Answer: C — Voltage
A step-up transformer increases the voltage while decreasing the current (keeping power nearly constant).
Share this question
More from Physics
- A body moves with constant acceleration 'a'. If its velocity at two points is 'u' and 'v', its velocity at the midpoint of the path is:
- A particle is moving in a straight line with initial velocity u and uniform acceleration a. If the sum of distances in t-th and (t+1)-th seconds is 100m, then u + at is:
- The pull of gravity on an object is called its:
- A racing car has a uniform acceleration of 4 m/s^2. What distance will it cover in 10s after start?
- A body starts from rest and moves with constant acceleration. The ratio of distance covered in the first second to the second second is: