01) Resistor is an _________________ component/device.
Answer: Passive
02) Resistors are generally available in the maximum value of ______________ohm.
Answer: Mega (M Ω)
03) What is the Power Dissipation formulae?
Answer: P = V×I, P = V^2 / R, P = I^2 × R
04) Most common type of Resistor is _________________________.
Answer: Carbon Resistor
05) Wire Wound Resistors are usually used (Applications) for _________________________.
Answer: High Current, Low Resistance, Desired (Appreciable) Power
06) Wire Wound Resistor is only used for _________________________.
Answer: Low Frequency
07) At High Frequency, Wire Wound Resistor Acts As _________________________.
Answer: Inductor
08) Carbon Composition Resistors are most popular because ______________________.
Answer: Small Size
09) The Resistance of a Carbon Composition Resistor is depends of______________.
Answer: Ratio of Powders (Carbon & Ceramic)
10) Carbon Composition Resistors generally used for _____________________.
Answer: Surge Protection, Voltage Pulse Reduction
11) The applications of carbon composition resistors are _______________.
Answer: Power Supplies, Welding Controls
12) Advantages of carbon composition resistor are ___________________.
Answer: Small Size, Low Cost, Withstand at high energy pulses
13) The value of Carbon Composition Resistor could be changed by ____________
Answer: If not in use for a year (5%), Soldering (Heat) – 3 %, Operate at 70°C Temperature (15%)
14) Disadvantages of carbon composition resistor are ___________________.
Answer: Instability of Resistance Value, High Temperature Coefficient, High Noise
15) The type of Film Resistors are _________________.
Answer: Carbon Film, Metal Film Resistor
16) Advantages of Carbon Film Resistors are____________________.
Answer: Low Noise, Temperature Stability, Precise Resistance
17) SMD Stands for ____________________________.
Answer: Service Mount Device
18) SMT Stands for ____________________________.
Answer: Service Mount Technology
19) Advantages of Surface-Mount (SMD) Resistors are____________________.
Answer: Small in Size (Space Saving), Low Price, More efficient
20) A thermistor changes the value of resistance by Changing in operating _________.
Answer: Temperature
21) When the resistance increase due to increasing of operating temperature called_____.
Answer: Positive Temperature Coefficient (PTC)
22) When the resistance decreases due to increasing of operating temperature called_____.
Answer: Negative Temperature Coefficient (NTC)
23) The word “ Thermistor” is derived from _______________________.
Answer: Thermal, Resistance
24) The _____________ of a resistor is determined mainly by its physical size.
Answer: Power
25) There are two main characteristics of a resistor are _______________________.
Answer: Resistance and Power
26) Does Resistor dissipate power? True/false
Answer: True
27) The power rating of a resistor should be ____________ than from actual power dissipation (Waste) as heat for the reason of Safety factor (Burning).
Answer: More
28) Resistors are ________________ devices.
Answer: Non-Polarity
29) What happens with the requirement of Power rating when the resistance increases ?
Answer: Lower Power Rating
30) Power Rating is ___________________ proportional to the Resistance ® of a Resistor
Answer: In-Directly
31) Power Rating and Physical Size of Resistor is ______________________ proportional.
Answer: Directly
32) How the wire wound resistors are made by _______________________________..
Answer: Metal Wire (Nichrome, Tungsten and Manganin) wrapped around Insulating Core (Plastic, Ceramic, or Fiberglass, Procelein, Pressed Paper, Cement)
33) How the Carbon Composition Resistors are made (Construction) by ____________.
Answer: Carbon/Graphite Powder with Insulating Material (Ceramic / Resin) to bond the Mixer
34) The more precise value of Resistor will be ____________________
Answer: Meta Film Resistor
35) Meta Film Resistors are always coated with Lacquer that protects_____________
Answer: Electrically, Mechanically, Climate (Temperature/Humidity)
36) Fusible Resistor plays important roles ______________
Answer: Resistor, Fuse, Thermostat
37) Fusible Resistor are used (Applications) in ______________.
Answer: Low Power, Low Surge
38) The statement which correctly represents Ohm’s law _____________.
Answer: V = IR
39) A 10 ohms resistor is powered by a 5-V battery. The current flowing through the source is ___________.
Answer: 2 A
40) If V = 50 V and I = 5 A, then R = ___
Answer: 10 Ω
41) Unit of voltage is
Answer: Volt
42) Unit of current is
Answer: Ampere
43) Unit of power is
Answer: Watt
44) Unit of resistance is
Answer: Ohms
45) If V = 10 V and R = 15 kΩ, then I = ___?
Answer: 0.666 mA, 666 µA
46) If I = 5 A and R = 10 Ω, then P = ___?
Answer: 250 watt
47) A part of an electric circuit which is used to limit the amount of electric current flowing through the circuit is known as
Answer: diode
48) The resistors that have set resistance, are known as
Answer: fixed resistors
49) The volume control regulator in a CD receiver, radio and amplifier also use
Answer: variable resistor
50) For the current to flow, each resistor in parallel circuit provides
Answer: alternate route
/Telegram_(software)-Logo.wine.svg){kind=logo}
0 Comments