Home / Physics / Question
MCQ
In a step-down transformer, the current in the secondary is:
Physics
A Less than primary
B More than primary
C Same as primary
D Zero
Explanation

In a step-down transformer, voltage decreases but current increases (conservation of power: VpIp = VsIs).

Related MCQs

Two resistors of 4 Ω and 6 Ω are connected in parallel. Their equivalent resistance is:
Physics View
In a series RLC circuit at resonance, the impedance is:
Physics View
In the hydrogen atom, the transition from n=3 to n=2 gives the:
Physics View
The escape velocity from Earth\'s surface is:
Physics View
The orbital velocity of a satellite close to Earth\'s surface is approximately:
Physics View
When a wave enters a denser medium, its speed:
Physics View