u930973931_answers

Q1: Which of the following is NOT a type of resistor?(A) Carbon film resistor(B) Wire-wound resistor(C) Capacitive resistor(D) Metal oxide resistorAnswer: (C) Capacitive resistor Q2: Variable resistors are also known as:(A) Fixed resistors(B) Potentiometers(C) Thermistors(D) PhotoresistorsAnswer: (B) Potentiometers Q3: A thermistor is a type of resistor whose resistance:(A) Decreases with temperature(B) Increases with temperature(C) Depends … Read more

10 min Score: 0 Attempted: 0/10 Subscribe 1. The SI unit of electric current is: (A) Volt (B) Ohm (C) Ampere (D) Coulomb 2. The SI unit of voltage is: (A) Volt (B) Ampere (C) Ohm (D) Joule 3. The unit of electrical resistance is: (A) Ampere (B) Ohm (C) Joule (D) Watt 4. The … Read more

Q1: Ohm’s Law states that:(A) Current is proportional to resistance(B) Voltage is proportional to resistance(C) Current is proportional to voltage(D) Power is proportional to voltageAnswer: (C) Current is proportional to voltage Q2: The mathematical expression for Ohm’s Law is:(A) I=V×RI = V times RI=V×R(B) V=I×RV = I times RV=I×R(C) R=V×IR = V times IR=V×I(D) P=I2RP … Read more

10 min Score: 0 Attempted: 0/10 Subscribe 1. Which of the following materials is a good conductor of electricity? (A) Copper (B) Glass (C) Wood (D) Rubber 2. What is the primary characteristic of an insulator? (A) It has free electrons (B) It has a high density of charge carriers (C) It does not allow … Read more

10 min Score: 0 Attempted: 0/10 Subscribe 1. What is the charge of a single electron? (A) 1.6×10−19 C (B) −1.6 C (C) 1.6 C (D) −1.6×10−19 C 2. Which subatomic particle determines the atomic number of an element? (A) Proton (B) Electron (C) Neutron (D) Nucleus 3. What is the primary factor that determines … Read more

20 min Score: 0 Attempted: 0/20 Subscribe 1. Which of the following is a passive electronic component? (A) Transistor (B) Diode (C) Resistor (D) Operational Amplifier 2. The SI unit of capacitance is: (A) Henry (H) (B) Farad (F) (C) Ohm (Ω) (D) Volt (V) 3. What is the primary function of a diode? (A) … Read more

Fundamentals of Electronics MCQs Atomic structure and electrical properties of materials MCQs Conductors, semiconductors, and insulators MCQs Ohm’s Law and Kirchhoff’s Laws MCQs Units and measurement (voltage, current, resistance, power) MCQs 2. Components Resistors: types, color coding, and applications MCQs Capacitors: types, charging/discharging, and applications MCQs Inductors: principles and applications MCQs Transformers: working, types, and … Read more