Nccer Electrical level 1 module 4

Which of the following is true regarding a series circuit?

• It has more than one path for current flow.

• The current flow is the same through all resistors.

• The current flow varies depending on the strength of the resistor.

• The current flow through the resistors is always lower than the source current

Which of the following is true regarding a parallel circuit?

• It has more than one path for current flow.

• The resistance is the same through all circuit components.

• The total resistance is equal to the sum of individual resistances.

• The current flow through each resistor is always less than the total resistance.

Which of the following is true regarding a series-parallel circuit?

• Once reduced to an equivalent series circuit, the total resistance is found by adding the reciprocal of each resistance and then dividing by 1.

• The resistance is the same through all circuit components.

• If a circuit is reduced to an equivalent series circuit, the total resistance is found by adding the loads.

• The current flow through each resistor is always less than the total resistance.

Two branches of a circuit (R1 and R2) across a 120V power line draw a total line current of 30A. Branch R1 takes 15A. What is the current I2 in branch R2?

• 12A

• 15A

• 17A

• 30A

Who stated that the current entering a point must equal the total current leaving that point?

• Kirchhoff

• Joule

• Pascal

• Ohm

In a circuit with an applied voltage of 10V and voltage drops of E1=2V, E2=5V, and E3=?, the value of E3 must be__.

• 3V

• 7V

• 12V

• 17V

A__ contains only one path for rent flow.

• Series circuit

• Parallel circuits

• Series-parallel circuits

A__ contains two or more parallel paths through which current flow.

• Series circuit

• Parallel circuits

• Series-parallel circuits

A__ contains both series and parallel current paths.

• Series circuit

• Parallel circuits

• Series-parallel circuits

__states that the sum of all the voltage drops in a circuit is equal to the source voltage of the circuit.

• Kirchhoff's current law

• Kirchhoff's voltage law