Questions

# Questions

Are you looking for the Electrical Engineering Objective Questions with Answers? Then you are at right post. Because here we have provided you the Electrical Objective Questions MCQ with Answers pdf. All Electrical MCQ...

### Quantities and Units Objective Questions

1. Which of the following is not an electrical quantity? A. power B. distance C. voltage D. current (Answers will be displayed at the end of the question’s) 2. When these numbers are added, (87 × 105) + (2.5 × 106), the result is A. 1,120...

### Ohm’s Law Objective Questions

1. If you wish to increase the amount of current in a resistor from 120 mA to 160 mA by changing the 24 V source, what should the new voltage setting be? A. 32 V B. 8 V C. 320...

### Series Circuits Objective Questions

1. There are five resistors in a given series circuit and each resistor has 6 V dropped across it. The source voltage A. is 30 V B. is 6 V C. depends on the current flow D. depends on the resistor values (Answers...

### Series-Parallel Circuits Objective Questions

1. When a load resistance is removed from the output of a voltage divider circuit, the current drawn from the source A. is cut off B. remains the same C. decreases D. increases (Answers will be displayed at the end of the question’s)...

### Branch, Loop and Node Analyses Objective Questions

1. What is the voltage drop across R3? A. 180 mV B. 180 mV C. 112 mV D. 11.25 V (Answers will be displayed at the end of the question’s) 2. What is the current through R2? A. 125 mA B. 500 mA C. 250 mA D. 177 mA 3. Find branch current IR2. A. 119.6 mA B. 113.0 mA C. –5.4 mA D. 5.4...

### Alternating Current and Voltage Objective Questions

1. A sawtooth wave has a period of 10 ms. Its frequency is A. 100 Hz B. 10 Hz C. 1,000 Hz D. 50 Hz (Answers will be displayed at the end of the question’s) 2. A sine wave of 15 kHz is changing...

### Inductors Objective Questions

1. The current through a 120 mH coil is changing at a rate of 150 mA/s. The voltage induced across the coil is A. 18 mV B. 1.25 mV C. 1.8 mV D. 180 mV (Answers will be displayed at the end of...

### RC Circuits Objective Questions

1. When the frequency of the voltage applied to a series RC circuit is increased, the phase angle A. becomes erratic B. increases C. remains the same D. decreases (Answers will be displayed at the end of the question’s) 2. A resistor and a capacitor are in...

### RLC Circuits and Resonance Objective Questions

1. A 24 ohm resistor, an inductor with a reactance of 120 ohm, and a capacitor with a reactance of 120 ohm are in series across a 60 V source. The circuit is at resonance. The voltage across the...

### Circuit Theorems in AC Analysis Objective Questions

1. Referring to the given circuit, how much power, in watts, is delivered to the speaker at the determined frequency if VS = 4.5 VRMS? A. 4.24 mW B. 424 mW C. 226 mW D. 2.26 mW (Answers will be displayed at the end of...

### Three-Phase Systems in Power Applications Objective Questions

1. In a Y-connected circuit, between each line voltage and the nearest phase voltage, there is a phase angle of A. 120° B. 60° C. 30° D. 0° (Answers will be displayed at the end of the question’s) 2. In a certain Y-Y system,...

### Voltage, Current and Resistance Objective Questions

1. A material that does not allow current under normal conditions is a(n) A. valence B. semiconductor C. insulator D. conductor (Answers will be displayed at the end of the question’s) 2. A two-terminal variable resistor is known as a A. wiper B. rheostat C. potentiometer D. thermistor 3. An ohmmeter is an instrument for...

### Energy and Power Objective Questions

1. If it takes 400 ms to use 12,000 J of energy, the power iZ A. 300 kW B. 30 kW C. 30 W D. 3 W (Answers will be displayed at the end of the question’s) 2. A 6 V battery is connected...

### Parallel Circuits Objective Questions

1. Four 8 ohm speakers are connected in parallel to the output of an audio amplifier. If the maximum voltage to the speakers is 12 V, the amplifier must be able to deliver to the speakers A. 48...

### Circuit Theorems and Conversions Objective Questions

1. Referring to the given circuit, determine VTH and RTH if a 68 ohm resistor is connected in parallel across R2 and R3. A. 330 mV, 68 ohm B. 330 mV, 148 ohm C. 3.3 V, 148 ohm D. 3.3 V, 68 ohm (Answers will be displayed at the end of the question’s) 2. Find RN for the circuit given. A. 154 ohm B. 120 ohm C. 34 ohm D. 68 ohm 3. Find...

### Magnetism and Electromagnetism Objective Questions

1. There is 900 mA of current through a wire with 40 turns. What is the reluctance of the circuit if the flux is 400 Wb? A. 90,000 At/Wb B. 14,400 At/Wb C. 1,440 At/Wb D. 9,000 At/Wb (Answers will be displayed at the...

### Capacitors Objective Questions

1. A sine wave voltage is applied across a capacitor. When the frequency of the voltage is decreased, the current A. decreases B. ceases C. increases D. remains constant (Answers will be displayed at the end of the question’s) 2. When the voltage across a...

### Transformers Objective Questions

1. The primary winding of a power transformer should always be A. shorted B. fused C. open D. switched (Answers will be displayed at the end of the question’s) 2. How many primary volts must be applied to a transformer with a turns ratio of...

### RL Circuits Objective Questions

1. In a parallel RL circuit, there are 3 A rms in the resistive branch and 3 A rms in the inductive branch. The total rms current is A. 4.24 A B. 6 A C. 42.4 A D. 424 mA (Answers will be displayed at...

### Passive Filters Objective Questions

1. In a certain low-pass filter, fc = 3.5 kHz. Its passband is A. 7 kHz B. 0 Hz to 3.5 kHz C. 0 Hz D. 3.5 kHz (Answers will be displayed at the end of the question’s) 2. Referring to Problem 8, assume the input voltage...

### Time Response of Reactive Circuits Objective Questions

1. Referring this figure, on the falling edge, A. the resistor voltage jumps to +5 V and then decreases exponentially to zero B. the capacitor voltage remains constant C. the resistor voltage jumps to –5 V and then goes back...

### Chemical Engineering Objective Questions MCQs and Answers

For Chemical Engineering students, here we e provide Basic Chemical Engineering multiple choice questions with answers. These Chemical Engineering MCQ Objective Questions will help degree and diploma holder’s Electrical Engineering exams like GATE 2018, IES, JTO, Junior Engineering Exams. Chemical Engineering MCQ are...

### Nuclear Engineering Objective Questions

1. The electron is identical with A. an ?-ray particle B. an ?-ray particle C. hydrogen ion D. positron (Answers will be displayed at the end of the question’s) 2. The radius of nucleus is of the order of A. 10-12 cm B. 10-14 cm C. 10-10 cm D. 10-8 cm 3. The ratio of...

### Chemical Reaction Engineering Objective Questions

1. The excess energy of the reactants required to dissociates into products is known as A. threshold energy B. activation energy C. thermal energy D. binding energy (Answers will be displayed at the end of the question’s) 2. Suppose doubling the concentration of a reactant...

### Fertilizer Technology Objective Questions

1. Phosphatic fertilizer is graded based on its A. PCI3 content B. H3PO4 content C. P2O5 content D. P content (Answers will be displayed at the end of the question’s) 2. The catalyst used in the manufacture of nitric acid by ammonia oxidation process is A. Pt-Rh...

### Fuels and Combustion Objective Questions

1. Which would yield more energy when completely burned? A. propane B. methane C. butane D. ethane (Answers will be displayed at the end of the question’s) 2. How many cubic foot of air is required for the complete and perfect combustion of one cubic...

### Materials of Construction Objective Questions

1. Alpha iron is stable A. between 910 and 1403C B. upto 910C C. above 2000C D. above 1403C (Answers will be displayed at the end of the question’s) 2. Which of the following pairs of elements might form an alloy? A. Mercury and platinum B. Iron and mercury C. Zinc...

### Chemical Technology Objective Questions

1. The gas which is filled in tungsten lamps is A. He B. H2 C. Ar D. O2 (Answers will be displayed at the end of the question’s) 2. The setting of plaster of Paris takes place with A. hydration B. dehydration C. loss of CO2 D. hydrolysis 3. Washing soda is A. Na2CO3.2H2O B. Na2CO3.H2O C. Na2CO3 D. Na2CO3.10H2O 4. The percentage by volume...

### Environmental Engineering Objective Question and Answers

1. The operating pressure drop for the electrostatic precipitator including perforated plates varies in the range of A. 2 to 6 in. H2O g B. 0.01 to 0.1 in. H2O g C. 0.2 to 0.5 in. H2O g D. 3 to 60...