V-I Characteristics MCQ Quiz - Objective Question with Answer for V-I Characteristics - Download Free PDF
Last updated on Jun 23, 2025
Latest V-I Characteristics MCQ Objective Questions
V-I Characteristics Question 1:
The I-V characteristics shown above are exhibited by a:
Answer (Detailed Solution Below)
V-I Characteristics Question 1 Detailed Solution
Explanation:
I-V Characteristics of a Solar Cell:
The given I-V characteristic curve represents the behavior of a solar cell.
Solar cells generate current when exposed to light and act as a power source. The current flows even when the voltage is zero, which is a key characteristic of photovoltaic devices.
Unlike diodes or photodiodes, which require an external voltage for operation, a solar cell generates voltage and current by converting light energy into electrical energy.
The I-V characteristic of a solar cell shows that it operates in the fourth quadrant, meaning it delivers power to an external circuit rather than consuming it.
Key Features of Solar Cell I-V Characteristics:
- Current flows in the absence of an external voltage.
- The curve is in the fourth quadrant, indicating power generation.
- Operates under illuminated conditions to generate electricity.
∴ The given I-V characteristic belongs to a solar cell.
V-I Characteristics Question 2:
In the diode V-I characteristics, the resistance of the circuit is _____________ if a slope is drawn between the voltages 100 V to 200 V and the corresponding current is 5 A and 20 A.
Answer (Detailed Solution Below)
V-I Characteristics Question 2 Detailed Solution
VI characteristics of a diode
The value resistance of a diode is equal to the slope of VI characteristics of the diode.
The slope of the diode is given by:
\(R_d={Δ V\over Δ I}\)
where, Rd = Diode Resistance
ΔV = V2 - V1 = Change in voltage
ΔI = I2 - I1 = Change in current
Calculation
Given, ΔV = 200 - 100 = 100 V
ΔI = 20 - 5 = 15 A
\(R_d={100\over 15}\)
Rd = 6.66 Ω
Top V-I Characteristics MCQ Objective Questions
In the diode V-I characteristics, the resistance of the circuit is _____________ if a slope is drawn between the voltages 100 V to 200 V and the corresponding current is 5 A and 20 A.
Answer (Detailed Solution Below)
V-I Characteristics Question 3 Detailed Solution
Download Solution PDFVI characteristics of a diode
The value resistance of a diode is equal to the slope of VI characteristics of the diode.
The slope of the diode is given by:
\(R_d={Δ V\over Δ I}\)
where, Rd = Diode Resistance
ΔV = V2 - V1 = Change in voltage
ΔI = I2 - I1 = Change in current
Calculation
Given, ΔV = 200 - 100 = 100 V
ΔI = 20 - 5 = 15 A
\(R_d={100\over 15}\)
Rd = 6.66 Ω
V-I Characteristics Question 4:
In the diode V-I characteristics, the resistance of the circuit is _____________ if a slope is drawn between the voltages 100 V to 200 V and the corresponding current is 5 A and 20 A.
Answer (Detailed Solution Below)
V-I Characteristics Question 4 Detailed Solution
VI characteristics of a diode
The value resistance of a diode is equal to the slope of VI characteristics of the diode.
The slope of the diode is given by:
\(R_d={Δ V\over Δ I}\)
where, Rd = Diode Resistance
ΔV = V2 - V1 = Change in voltage
ΔI = I2 - I1 = Change in current
Calculation
Given, ΔV = 200 - 100 = 100 V
ΔI = 20 - 5 = 15 A
\(R_d={100\over 15}\)
Rd = 6.66 Ω
V-I Characteristics Question 5:
The I-V characteristics shown above are exhibited by a:
Answer (Detailed Solution Below)
V-I Characteristics Question 5 Detailed Solution
Explanation:
I-V Characteristics of a Solar Cell:
The given I-V characteristic curve represents the behavior of a solar cell.
Solar cells generate current when exposed to light and act as a power source. The current flows even when the voltage is zero, which is a key characteristic of photovoltaic devices.
Unlike diodes or photodiodes, which require an external voltage for operation, a solar cell generates voltage and current by converting light energy into electrical energy.
The I-V characteristic of a solar cell shows that it operates in the fourth quadrant, meaning it delivers power to an external circuit rather than consuming it.
Key Features of Solar Cell I-V Characteristics:
- Current flows in the absence of an external voltage.
- The curve is in the fourth quadrant, indicating power generation.
- Operates under illuminated conditions to generate electricity.
∴ The given I-V characteristic belongs to a solar cell.