Electrical Theorems and Conversion

Kirchhoff’s laws are useful in determining——

• Current flowing in a circuit

• EMFs and Voltage drops in a circuit

• Power in a circuit

• All the above

For given circuit, find current in 8 ohm resistance using superposition theorem. (round up the answer up to two digit)

For the circuit given below, find the current in the branch AB using Thevenin Theorem.

• 3 Amperes

• 2 Amperes

• 5 Amperes

• 1 Ampere

Find the Thevenin equivalent (V_TH and R_TH) between terminals A and B of the circuit given below.

• 4.16 V, 120

• 41.6 V, 120

• 4.16 V, 70

• 41.67 V, 70

Find the current through R₂ of the given circuit using Norton theorem.

• 30.7 mA

• 104 mA

• 74 mA

• 134 mA

Find IN and RN (Norton circuit parameter) for given network

• IN = 5A. RN= 4 ohm

• IN = 9A. RN= 1.6 ohm

• IN = 4A. RN= 60 ohm

• IN = 4A. RN= 3 ohm