Important Basic Electronics MCQs

Basic Electronics MCQs are a priceless tool for anybody studying for academic exams in Pakistan’s armed services. The Navy Supply Branch, Navy Ordnance Branch, Navy Weapon Engineering Branch, PAF Admin & Special Duty Branch, PAF Logistics Branch, and Technical Cadet Course are just a few of the branches that these MCQs are designed to meet.

They give applicants the information and abilities needed to do well on their exams by covering the crucial topic of basic electronics. These multiple-choice questions are really suggested for those who want to ace the Army, Navy, and Pakistan Air Force admission exams.

Basic Electronics MCQs (Part-1)

• Ohm’s Law states that the current flowing through a conductor is directly __________ to the voltage across it and inversely proportional to its resistance. (proportional)
• According to Ohm’s Law, the mathematical relationship between current (I), voltage (V), and resistance (R) is expressed as V = __________. (I * R)
• Ohm’s Law is named after the German physicist __________, who formulated the relationship between current, voltage, and resistance.  (Georg Simon Ohm)
• When the voltage across a resistor is doubled, keeping the resistance constant, the current flowing through it becomes __________. (doubled or twice)
• According to Ohm’s Law, if the resistance in a circuit is tripled, the current flowing through it will be __________. (decreased or one-third)
• The unit of resistance, as per the International System of Units (SI), is the __________. (ohm (Ω))
• Ohm’s Law is applicable to various types of circuits, including __________ circuits and __________ circuits. (DC (direct current) and AC (alternating current))
• In a circuit with a constant resistance, doubling the voltage across it will result in the current being __________. (doubled or twice)
• Ohm’s Law can be used to calculate the resistance in a circuit if the current and voltage are known, using the formula R = __________. ( V / I)
• If the resistance in a circuit is halved, and the voltage across it remains constant, the current will be __________. (doubled or twice)
• Ohm’s Law is based on the assumption that the resistance in a circuit remains __________. (constant or unchanged)
• The reciprocal of resistance is called __________ and is denoted by the symbol G.(conductance)
• Ohm’s Law is a fundamental principle in __________ and is widely used in electrical and electronic engineering. (circuit theory or electrical engineering)
• According to Ohm’s Law, a superconductor, which has zero resistance, would allow __________ current to flow for a given voltage. ( infinite or unlimited)
• Ohm’s Law provides a fundamental tool for analyzing and designing electrical circuits, allowing engineers to determine the current, voltage, or resistance in a circuit using __________. (algebraic calculations or mathematical formulas)
• A __________ is a passive two-terminal electronic component that stores electrical energy in an electric field. ( capacitor)
• A __________ is a two-terminal electronic component that restricts the flow of current in a circuit. (resistor)

See more electronics mcqs of physics below for passing academic tests.

Basic Electronics MCQs (Part-2)

• A __________ is a two-terminal electronic component that allows current to flow in only one direction. (diode)
• A __________ is a three-terminal electronic component that amplifies or switches electronic signals and power. (transistor)
• An __________ is a two-terminal electronic component that maintains a constant voltage across its terminals. (voltage regulator)
• A __________ is a passive two-terminal electronic component that stores electrical energy in a magnetic field. (inductor)
• A __________ is a two-terminal electronic component that is sensitive to light and converts it into electrical signals. (photodiode)
• A __________ is a two-terminal electronic component that emits light when current flows through it. (light-emitting diode (LED))
• A __________ is a three-terminal electronic component that provides voltage amplification in analog circuits. (operational amplifier (op-amp))
• A __________ is a two-terminal electronic component that varies its resistance with temperature changes. (thermistor)
• A __________ is a three-terminal electronic component that provides a stable reference voltage in a circuit. (voltage reference)
• A __________ is a two-terminal electronic component that is used to protect other components from excessive current. (fuse)
• A __________ is a three-terminal electronic component that controls the flow of current between two terminals. (transistor)
• A __________ is a two-terminal electronic component that generates an electric current in response to incident light. (photovoltaic cell or solar cell)

See more electronics mcqs of physics below for passing academic tests.