A Certain Transformer Doubles Input Voltage

question 13

Multiple Choice

A certain transformer doubles input voltage. If the primary coil has 10 A of current, then the current in the secondary coil is

• A) 10 A.
• B) 2 A.
• C) 5 A.
• D) 25 A.
• E) none of these

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Definitions:

Covalent Compound

A chemical compound formed by the sharing of pairs of electrons between atoms.

Dichlorodifluoromethane

A chemical compound once widely used as a refrigerant and propellant but now recognized for its ozone-depleting properties.

Strontonium

A chemical element with the symbol Sr, known for its use in fireworks and as a component in certain alloys.

Oxide Ion

An ion consisting of oxygen and carrying a negative two charge, represented as O^2-.