Explanation: Kirchhoff's Current Law (KCL) states that the sum of the currents entering a node is equal to the sum of the currents leaving a node. This law helps analyze the current flowing through a circuit.
This is the "effective" value. Remember the magic number: 0.707 . (RMS = Peak x 0.707). Most test questions about standard wall outlet voltage (120V) are referring to the RMS value. nccer electrical level 2 module 1 test answers
Think of motors and transformers. In a purely inductive circuit, current lags voltage by 90 degrees. (Remember: ELI - Voltage (E) leads Current (I) in an Inductive (L) circuit). Explanation: Kirchhoff's Current Law (KCL) states that the
Here are some sample questions and answers for the NCCER Electrical Level 2 Module 1 test: Remember the magic number: 0
Answer: A) R(T) = R1 + R2 + R3...
This is the heart of AC. You’ll need to be comfortable with the "anatomy" of a wave: The maximum voltage or current.
Measured in Watts (W). This is the power actually doing work.