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Unformatted text preview: examined, then this will reveal that none of the circuit breakers were tripped. Hypothesis 3: The switch for the light switch is working perfectly fine. Critical Prediction for H3: The use of a voltmeter will indicate that the light switch is broken. How to check the critical prediction for H3: Use the probes of the voltmeter to touch the connections on the sides of the switch. Afterwards, turn off the circuit breaker for the hallway light and there should be no reading on the voltmeter. Remove the old light switch and install the new light switch with the wires. Turn on the circuit breakers and there should be light....
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- Spring '11