Timing Circuits

Toasters have timing circuits. If you want lightly toasted bread you might choose a time of one minute, while for an evenly brown toasted bagel you might choose a time of four minutes.

Part 1

If the timing circuit in a toaster has a fixed resistance resistor in series with a variable capacitor, on the four minute setting the capacitance will be:

Answer Section

• twice the capacitance on the one minute setting.

• four times the capacitance on the one minute setting.

• the same as the capacitance on the one minute setting.

• one half the capacitance on the one minute setting.

• one quarter the capacitance on the one minute setting.

Attribution

Problem is licensed under the CC-BY-NC-SA 4.0 license.