NCCER 26201-20 ALTERNATING CURRENT | Questions and Verified Solutions Latest Update

NCCER 26201-20 ALTERNATING CURRENT | Questions and Verified Solutions Latest Update An electric current always produces ? - ANSWER -A magnetic field The number or cycles an alternating electric current undergoes per second is known as ? - ANSWER - Frequency What is the peak voltage in a circuit with an RMS voltage of 120 VAC ? - ANSWER -170 VAC Wich of the following conditions exist in a circuit of pure resistance ? - ANSWER -The voltage and current are in phase In a purely resistive AC circuit where 240v is applied across a 10 ohm resistor, the amperage is ? - ANSWER -24A When the current increases in an AC circuit, what role does inductance play ? - ANSWER -It reduces the current Which of the following coils is likely to show the lowest inductance? - ANSWER -A coil with a narrow coil Which of the following conditions exists in a circuit of pure inductance? - ANSWER -The voltage and current are 90 degrees out of phase