Description : If the length of a wire is halved and the cross-sectional area is doubled, the resistance will be _____________. A. quartered B. unchanged C. doubled D. quadrupled
Last Answer : Answer: A
Description : When the current flow through a power transmission line is doubled, the power loss _____________. A. is halved B. is doubled C. is quadrupled D. remains the same
Last Answer : Answer: C
Description : The value of the resistor creating thermal noise is doubled. The noise power generated is therefore. A. halved B. quadrupled C. doubled D. unchanged
Last Answer : D. unchanged
Description : What happens to the period of a pendulum if the mass of the bob is quadrupled? w) it is cut in half x) it stays the same y) it is doubled z) it is quadrupled
Last Answer : ANSWER: X -- IT STAYS THE SAME
Description : When the voltage remains constant, and the resistance increases in a series circuit, current flow _____________. A. decreases B. remains the same C. increases D. increases by the square
Description : When the voltage remains constant and the resistance is increased in a series circuit, the flow of current _____________. A. increases by the square of the original value B. increases C. remains the same D. decreases
Last Answer : Answer: D
Description : In a simple DC circuit, the resistance is held constant while the applied voltage is halved. Current flow, therefore, will ______________. A. double B. remain the same C. be divided by two D. be divided by four
Description : When a megohmmeter is being used to test insulation resistance, current leakage along the surface of the insulation is indicated by the megohmmeter pointer _____________. A. fluctuating around a ... slightly downscale as voltage is applied D. continually rising as the test voltage is applied
Description : When a megohmmeter is being used to test insulation resistance, current leakage along the surface of the insulation is indicated by the megohmmeter's pointer _____________. A. dipping toward ... kicking slightly down scale as voltage is applied D. fluctuating around a constant resistance reading
Description : Inductance is the property of an electric circuit that _____________. A. opposes any change in the applied voltage B. opposes any change in the current flow through the circuit C. aids any changes in the applied voltage D. aids any changes in the current through the circuit
Last Answer : Answer: B
Description : In a series circuit, which value will remain unchanged at all places in the circuit? A. Voltage B. Current C. Resistance D. Inductance
Description : An AC circuit has capacitance arranged in series. If the line voltage remains constant, the capacitive reactance value can be varied by changing the _____________. A. line frequency B. resistance C. number of commutating poles D. number of interpoles
Description : When the current flow in a power transmission line is halved, the power loss _____________. A. is halved B. is doubled C. is divided by four D. remains the same
Description : If the electricity represented by the wave form in 'B' were applied to the left side of the illustrated circuit, the output on the right side would be ____________. EL-0064 A. direct current with the ... lower lead D. clipped to a value equal to the square root of 3 times the input voltage value
Description : A particle is moving in Simple Harmonic Motion in a simple pendulum with some period of oscillation. Now in order to double the period of oscillation a.The length of pendulum should be quadrupled b.The ... length of pendulum should be reduced to one fourth e.The mass of the bob should be doubled
Last Answer : a. The length of pendulum should be quadrupled
Description : If bandwidth is doubled, the signal power is _________. A. not changed B. quadrupled C. tripled D. doubled
Last Answer : A. not changed
Description : In a chemical reaction as shown in the bellow figure, it is observed that the (i) Rate of formation of 'P' is doubled on doubling the concentration of 'X' (ii) Rate of formation of 'P' is quadrupled ... of the above chemical reaction? (A) Zeroth order (B) First order (C) Second order (D) Third order
Last Answer : (D) Third order
Description : What is the order of chemical reaction as shown in the bellow figure, if it is found that the reaction rate doubles on doubling the concentration of B and also the reaction rate doubles when the concentrations of both A & B ... the concentrations of both B & C were doubled? (A) 1 (B) 2 (C) 3 (D) 4
Last Answer : (B) 2
Description : The length of both sides of a square parallel plate capacitor are doubled. The capacitance is: w) halved x) the same y) doubled z) quadrupled
Last Answer : ANSWER: Z -- QUADRUPLED
Description : Two steel balls are at a distance S from one another. As the mass of ONE of the balls is doubled, the gravitational force of attraction between them is: w) quartered x) halved y) doubled z) quadrupled
Last Answer : ANSWER: Y -- DOUBLED
Description : Decreasing the frequency in a capacitive circuit while maintaining a constant circuit voltage, will result in a/an _____________. A. increase in apparent power B. decrease in circuit current C. decrease in capacitive reactance D. decrease in total impedance
Description : When shipboard electrical distribution circuits are connected in parallel, additional parallel circuits will cause the total circuit resistance to _____________. A. increase, causing a drop in the line current B ... an increase in the line voltage D. decrease, causing an increase in the line current
Description : Capacitance is the property of an electric circuit opposing a change in the _____________. A. current in the circuit B. voltage in the circuit C. inductance in the circuit D. resistance in the circuit
Description : The total voltage of a series circuit is the _____________. A. sum of the individual voltage drops B. total resistance divided by the total current C. sum of the individual currents multiplied by the number of resistors D. total current divided by the total resistance
Description : Capacitance in an AC circuit will _____________. A. stop current flow once the capacitor is fully charged B. allow current flow in only one direction C. oppose any change in circuit voltage D. rectify the current
Description : To properly use a hook-on-type volt/ammeter to check current flow, you must FIRST _____________. A. de-energize the circuit to allow connection of the instrument in series B. hook the jaws ... test leads to the appropriate terminals D. short the test leads and calibrate the instrument to zero
Description : When a voltage of 132 VDC is applied to the illustrated circuit with a resistance of 237 ohms the current will be ________. EL-0018 A. 1.236 amps B. 2.048 amps C. 0.557 amps D. 4.200 amps
Description : When a voltage of 132 VDC is applied to the illustrated circuit with a resistance of 470 ohms the current will be ________. EL-0018 A. 0.280 amps B. 3.560 amps C. 602 milliamps D. 1.673 amps
Description : When a voltage of 132 VDC is applied to the illustrated circuit with a resistance of 10,230 ohms the current will be ________. EL-0018 A. 0.012 amps B. 77.5 milliamps C. 10,362 amps D. 0.792 amps
Description : When a voltage of 132 VDC is applied to the illustrated circuit with a resistance of 110 ohms the current will be ________. EL-0018 A. 0.833 amps B. 1.2 amps C. 2.2 amps D. 242 milliamps
Description : When a voltage of 132 VDC is applied to the illustrated circuit with a resistance of 32 ohms the current will be ________. EL-0018 A. 0.242 amps B. 4.125 amps C. 7.757 amps D. 1.64 amps
Description : If a voltage of 132 VDC is applied to the illustrated circuit where the resistance is 12 ohms, then current will be ___________. EL-0018 A. 0.090 amps B. 1.090 amps C. 11 amps D. 144 milliamps
Description : When a voltage of 124 VDC is applied to the illustrated circuit with a resistance of 17.8 ohms the current will be ________. EL-0018 A. 0.143 amps B. 2.555 amps C. 6.966 amps D. 141.8 milliamps
Description : When a voltage of 124 VDC is applied to the illustrated circuit with a resistance of 237 ohms the current will be ________. EL-0018 A. 1.523 amps B. 1.911 amps C. 361 milliamps D. 523.2 milliamps
Description : When a voltage of 124 VDC is applied to the illustrated circuit with a resistance of 470 ohms the current will be________. EL-0018 A. 0.263 amps B. 3.79 amps C. 594 milliamps D. 1.7814 amps
Description : When a voltage of 124 VDC is applied to the illustrated circuit with a resistance of 10,230 ohms the current will be________. EL-0018 A. 0.012 amps B. 82.50 amps C. 10.354 amps D. 0.8439 amps
Description : When a voltage of 124 VDC is applied to the illustrated circuit with a resistance of 110 ohms the current will be________. EL-0018 A. 0.887 amps B. 1.127 amps C. 234 m amps D. 2.13 amps
Description : When a voltage of 124 VDC is applied to the illustrated circuit with a resistance of 32 ohms the current will be ________. EL-0018 A. 0.258 amps B. 3.875 amps C. 8.258 amps D. 156 amps
Description : When a voltage of 124 VDC is applied to the illustrated circuit with a resistance of 12 ohms. the current will be ________. EL-0018 A. 0.096 amps B. 1.16 amps C. 10.33 amps D. 136 m amps
Description : When a voltage of 112 VDC is applied to the circuit illustrated with a resistance of 17.8 ohms the current will be________. EL-0018 A. .158 amps B. 5.82 amps C. 6.29 amps D. 129.8m amps
Description : When a voltage of 112 VDC is applied to the illustrated circuit with a resistance of 237 ohms the current will be ________. EL-0018 A. 1.47 amps B. 2.11 amps C. 347 milliamps D. 472.6 milliamps
Description : When a voltage of 112 VDC is applied to the circuit illustrated with a resistance of 470 ohms the current will be________. EL-0018 A. .238 amps B. 4.196 amps C. 582 m amps D. 19.723 amps
Description : When a voltage of 112 VDC is applied to the circuit illustrated with a resistance of 10,230 ohms the current will be________. EL-0018 A. .010 amps B. .913 amps C. 103 m amps D. 934 m amps
Description : When a voltage of 112 VDC is applied to the circuit illustrated with a resistance of 110 ohms the current will be________. EL-0018 A. .982 amps B. 1.018 amps C. 2.018 amps D. .222 amps
Description : When a voltage of 112 VDC is applied to the illustrated circuit with a resistance of 32 ohms the current will be________. EL-0018 A. .285 amps B. 3.5 amps C. 9.142 amps D. 144 m amps
Description : When a voltage of 112 VDC is applied to the illustrated circuit with a resistance of 12 ohms the current will be ________. EL-0018 A. .107 amps B. 1.28 amps C. 9.33 amps D. 124 milliamps
Description : When a voltage of 110 VDC is applied to the illustrated circuit with a resistance of 17.8 ohms the current will be________. EL-0018 A. 2.88 amps B. 6.18 amps C. 127.8m amps D. 161 amps
Description : When a voltage of 110 VDC is applied to the illustrated circuit with a resistance of 237 ohms the current will be________. EL-0018 A. .464 amps B. 1.464 amps C. 2.154 amps D. 3.47 amps
Description : When a voltage of 110 VDC is applied to the illustrated circuit with a resistance of 470 ohms the current will be ________. EL-0018 A. .234 amps B. 4.272 amps C. 580 amps D. 2,008 amps
Description : When a voltage of 110 VDC is applied to the circuit illustrated with a resistance of 10,230 ohms the current will be________. EL-0018 A. 0.0107 amps B. 93 amps C. 10,340 amps D. .951 amps