1. In parallel combination of resistances, the voltage is ? lower across largest resistance higher across largest resistance same across each resistance higher across smaller resistance Answer: same across each resistance Explanation: In parallel combination of resistances, the voltage is same across each resistance. View Answer Discuss in Forum Report Question

 2. What will be the color-coding of a resistor when the resistance of the resistor is 15 Ohms ? Green-Brown-Black-Black Brown-Green-Brown-Brown Brown-Green-Black-Brown Brown-Green-Black-Black Answer: Brown-Green-Black-Black Explanation: The color-coding of a resistor when the resistance of the resistor is 15 Ohms Brown-Green-Black-Black. View Answer Discuss in Forum Report Question

 3. Which one of the following statement is TRUE about the Kirchhoff's voltage law ? The algebraic sum of all the voltages around any closed path is infinite. The algebraic sum of all the voltages around any closed path is negative. The algebraic sum of all the voltages around any closed path is one. The algebraic sum of all the voltages around any closed path is zero. Answer: The algebraic sum of all the voltages around any closed path is zero. Explanation: the Kirchhoff's voltage law The algebraic sum of all the voltages around any closed path is zero. View Answer Discuss in Forum Report Question

 4. Which one of the following is the CORRECT statement for superposition theorem ? The algebraic sum of all the voltages around any closed path is zero. The overall current in any part of a linear circuit is equal to the algebraic sum of the currents produced by each source separately. The sum of currents entering a node is equal to the sum of currents leaving the node. The algebraic sum of all the voltages around any closed path is equal to one. Answer: The overall current in any part of a linear circuit is equal to the algebraic sum of the currents produced by each source separately. Explanation: Superposition theorem State that the overall current in any part of a linear circuit is equal to the algebraic sum of the currents produced by each source separately. View Answer Discuss in Forum Report Question

 5. Which one of the expression satisfies the condition of maximum power transfer theorem ? ZL=ZS ZL=RL ZL=2ZS XL=RL Answer: ZL=ZS Explanation: the condition of maximum power transfer theorem is ZL=ZS. View Answer Discuss in Forum Report Question

 6. Determine the value of current (in A) that flows through a resistor of 9 ohms, when the potential difference between the ends of the resistor is 36 V ? 8 7 4 3 Answer: 4 Explanation: I=V/R, 36/9= 4 Amp View Answer Discuss in Forum Report Question

 7. What will be the value of load impedance (in ohms) for transmitting maximum power from the source to load when the source impedance is 8 + j4 ohms ? 8 - j4 8 + j4 4 + j8 4 - j8 Answer: 8 - j4 Explanation: The value of load impedance (in ohms) for transmitting maximum power from the source to load when the source impedance is 8 + j4 ohms is 8 - j4. View Answer Discuss in Forum Report Question

 8. Determine the load resistance (in ohms) for a circuit when the maximum power transferred from source of 80 V to the load is 80 W ? 40 20 10 5 Answer: 20 Explanation: The load resistance 20 (in ohms) for a circuit when the maximum power transferred from source of 80 V to the load is 80 W. View Answer Discuss in Forum Report Question

 9. Which property of a material opposes the passage of magnetic flux through it ? Permeance Capacitance Inductance Reluctance Answer: Reluctance Explanation: Reluctance property of a material opposes the passage of magnetic flux through it. View Answer Discuss in Forum Report Question

 10. Determine the intensity of magnetization (in A/m) of a magnet when the pole strength of the magnet is 30 A-m and the pole of the magnet is 2 sq. m. ? 60 30 25 15 Answer: 15 Explanation: 15 View Answer Discuss in Forum Report Question