Category : Electricity

Electrical Resistance Quiz Questions and Answers

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Questions & Options


1. Which of the following is the formula for electrical resistance?

58018 Voltage/ Current
58019 Current x voltage
58020 Voltage x resistivity
58021 None of these

2. Which one instrument can be used to measure resistance?

58022 Voltmeter
58023 Ammeter
58024 Ohmmeter
58025 All of the above

3. Calculate the resistance of a metal wire when a voltage of 20 V across it causes a current of 2 A to flow through it?

58026 02 ohms
58027 05 ohms
58028 10 ohms
58029 20 ohms

4. The resistivity of copper is…

58030 50.7 ohms
58031 25.7 ohms
58032 10.7 ohms
58033 05.7 ohms

5. In Ohm's law, if the voltage increases and resistance are constant then current.…

58034 Current remains the same
58035 Power decreases
58036 Current increases
58037 None of these

6. Which of the following formula shows a direct proportionality between power and voltage given bellow?

58038 P=VI
58039 I=RV
58040 R=VP
58041 All of the above

7. Which type of resistor is found in SIPs and DIPs?

58042 Wire wound
58043 Thick film
58044 Metal oxide
58045 All of the above

8. Which one is the two major types for resistors?

58046 Fixed & Variable
58047 Low & High
58048 Both of the above
58049 None of these

9. Which of the following statements oblique Ohm's law?

58050 Current is inversely proportional to resistance
58051 Current is directly proportional to resistance
58052 Voltage is indirectly proportional to power
58053 All of the above

10. Variable resistor invented by which scientist?

58054 Charles Wheatstone
58055 William Fothergill Cooke
58056 David Brewster
58057 Alfred Vail

11. Which are the types of resistors?

58058 Metal Film Resistors.
58059 Thick Film Resistors.
58060 Metal Oxide Resistors.
58061 All of the above

12. In which year the first resistor was made?

58062 16 Jun 1959
58063 16 Jun 1969
58064 16 Jun 1979
58065 16 Jun 1989
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