Curioustab

Home » Electrical Engineering » Transformers

A transformer

changes ac to dc
changes dc to ac
steps up or down dc voltages
steps up or down ac voltages

Correct Answer: steps up or down ac voltages

← Previous Question Next Question→

More Questions from Transformers

The primary winding of a power transformer should always be
The primary coil of a transformer is connected to a 60 V ac source. The secondary coil is connected to a 330 Ω load. The turns ratio is 3:1. What is the secondary voltage?
How many primary volts must be applied to a transformer with a turns ratio of 0.1 to obtain a secondary voltage of 9 V?
A certain transformer has 400 turns in the primary winding and 2,000 turns in the secondary winding. The turns ratio is
A certain transformer has a turns ratio of 1 and a 0.85 coefficient of coupling. When 2 V ac is applied to the primary, the secondary voltage is
The primary of a transformer is connected to a 6 V battery. The turns ratio is 1:3 and the secondary load, RL, is 100 Ω. The voltage across the load is
In a certain transformer, the input power to the primary is 120 W. If 8.5 W are lost to the winding resistance, what is the output power to the load, neglecting any other issues?
A transformer with a 110 V primary has a 15:1 turns ratio. The load resistance, RL, is 120 Ω. What is the approximate voltage across the load?
If 25 W of power are applied to the primary of an ideal transformer with a turns ratio of 10, the power delivered to the secondary load is
When a 6 V battery is connected across the primary of a transformer with a turns ratio of 8, the secondary voltage is

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion