10 Questions
What is the hazardous current above, in DC voltage at 50 V?
25 mA
At what frequency are AC outlets typically operated in normal conditions?
60 Hz
What is the hazardous voltage of AC outlets under normal conditions?
120 V
Above what current is considered hazardous for AC outlets at 60 Hz?
10 mA
What is the purpose of considering hazardous voltages and currents?
To reduce the risk of electrical shock
What is the unit of measurement for electric current?
Ampere
What is the unit of measurement for electric potential difference?
Volt
What is the unit of measurement for electric power?
Watt
What is the unit of measurement for electric resistance?
Ohm
What is the relationship between Volts, Amps, and Watts?
Volts x Amps = Watts
Study Notes
DC voltages, currents above 25 mA at 50 V are considered hazardous under normal conditions. For common AC outlets (60 Hz, 120 V), current above 10 mA is considered hazardous under normal conditions.
Learn about the safety guidelines for electrical currents. Understand the hazardous current levels for DC and AC voltages under normal conditions.
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