Consider the following trouble shooting situation. The switch SI in the on position but the light LI does not come on. The voltage across SI is 24 volts. The voltage across LI is 0 volts. The light does not come on because:

Consider the following trouble shooting situation. The switch SI in the on position but the light LI does not come on. The voltage across SI is 24 volts. The voltage across LI is 0 volts. The light does not come on because: