SOLUTION PRACTICE
◉ What is the equation to solve for power (P)? Answer: P = V(I),
power = volt x current
◉ Define Coloumbs Law Answer: The SI unit of a electrical charge,
equal to the quantity of electricity conveyed in one second by a
current of one ampere
◉ What is Ohm's law equation? Answer: voltage = current x
resistance, v=i(r)
◉ (I) or (a) sometimes (e) in ohms law is known as ? Answer: An
Ampere (amps)
◉ What is the base unit of charge? Answer: A Coloumb
◉ In conventional Current Flow; What direction does electrons
flow? Answer: From positive to negative
◉ In real life what direction do electrons actually flow? Answer:
From negative to positive (not used for electric engineering)
, ◉ The flow of electric charge that regularly reverse in polarity is
said to be ? Answer: Alternating Current ( A/C)
◉ ______ ______ is the one directional flow of an electric charge.
Answer: Direct Current ( D/C)
◉ In a RCL circuit the phase difference between Voltage & Current is
said to be ? Answer: Less than 90 degrees
◉ Solve for V; if the current is set to 2a, with a resistance of 15 ohms.
What is the Voltage? Answer: 30v
◉ Solve for i; in a series circuit the voltage is 20v and there are two
resistors @ 4ohms and 1ohms. What is the current value? Answer: 4
amps
◉ Solve for R; voltage is at 50v with a current of 25 amps . What is
the value of the resistor ? Answer: 2 ohms
◉ When an applied frequency is increased in a circuit containing
both and inductor and a capacitor ; what happens to inductive
reactance? Answer: Inductive reactance increases