| 1. | In parallel combination of resistances, the voltage is ? | |
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lower across largest resistance
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higher across largest resistance
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same across each resistance
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higher across smaller resistance
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Report Question| 2. | What will be the color-coding of a resistor when the resistance of the resistor is 15 Ohms ? | |
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Green-Brown-Black-Black
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Brown-Green-Brown-Brown
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Brown-Green-Black-Brown
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Brown-Green-Black-Black
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| 3. | Which one of the following statement is TRUE about the Kirchhoff's voltage law ? | |
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The algebraic sum of all the voltages around any closed path is infinite.
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The algebraic sum of all the voltages around any closed path is negative.
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The algebraic sum of all the voltages around any closed path is one.
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The algebraic sum of all the voltages around any closed path is zero.
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| 4. | Which one of the following is the CORRECT statement for superposition theorem ? | |
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The algebraic sum of all the voltages around any closed path is zero.
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The overall current in any part of a linear circuit is equal to the algebraic sum of the currents produced by each source separately.
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The sum of currents entering a node is equal to the sum of currents leaving the node.
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The algebraic sum of all the voltages around any closed path is equal to one.
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| 5. | Which one of the expression satisfies the condition of maximum power transfer theorem ? | |
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ZL=ZS
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ZL=RL
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ZL=2ZS
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XL=RL
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| 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 ? | |
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8
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7
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4
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3
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| 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 ? | |
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8 - j4
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8 + j4
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4 + j8
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4 - j8
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| 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 ? | |
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40
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20
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10
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5
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| 9. | Which property of a material opposes the passage of magnetic flux through it ? | |
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Permeance
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Capacitance
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Inductance
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Reluctance
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| 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. ? | |
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60
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30
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25
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15
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