Alternating current bingo

Exercise and reference answers

Clues and terms

1. Clue

   The effective value of an alternating current.

   Item

   rms

2. Clue

   The SI unit that reactance is measured in.

   Item

   Ohm

3. Clue

   The reactance offered by a coil.

   Item

   Inductive

4. Clue

   The reactance offered by a capacitor.

   Item

   Capacitive

5. Clue

   Total opposition of an ac circuit.

   Item

   Impedance

6. Clue

   Where the two reactances cancel out.

   Item

   Resonance

7. Clue

   The cosine of the phase angle.

   Item

   Power factor

8. Clue

   A current that dissipates no power.

   Item

   Wattless

9. Clue

   Steps an alternating voltage up or down.

   Item

   Transformer

Instructions

Read each clue and tap the term it describes.

Explanation