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- Question
What is the relationship between Resistivity and Conductivity?
- Correct Answer
- Resistivity : Resistivity is a measure of the resistance to the flow of electrons Conductivity : Conductivity is just the inverse of resistivity, ? = 1/?, where ? is conductivity and ? is resistivity Example: Think of a pipe and water, the bigger the pipe, the easier water can flow and thus the lower the resistance
- 1. In fireworks, the green flame is produced because of
Options- A. sodium
- B. barium
- C. mercury
- D. potassium Discuss
- 2. Plant development is influenced by
Options- A. quality of light only
- B. quality and quantity of light
- C. quality and duration of light
- D. quality, quantity and duration of light Discuss
- 3. Which of the following is an inland sea?
Options- A. Caribbean sea
- B. Caspian sea
- C. Red sea
- D. Yellow sea Discuss
- 4. The sequence of layers of atmosphere from earth to upwards is
Options- A. troposphere, tropopause, stratosphere, stratopause, mesosphere, mesopause, ionosphere(thermosphere, thermopause, exosphere)
- B. troposphere, stratosphere, stratopause, mesosphere , ionosphere
- C. troposphere, tropopause, stratosphere, thermosphere, exosphere
- D. troposphere, tropopause, stratosphere, mesosphere , exosphere, thermosphere, thermopause} Discuss
- 5. One kilometre is equal to how many miles?
Options- A. 0.84
- B. 0.5
- C. 1.6
- D. 0.62 Discuss
- 6. Myopia is connected with
Options- A. ears
- B. eyes
- C. lungs
- D. None of these Discuss
- 7. The book named 'Three Decades in Parliament' is a collection of the speeches of
Options- A. A. B. Vajpayee
- B. Somnath Chatterjee
- C. L. K. Advani
- D. N. G. Ranga Discuss
- 8. The mean radius of the earth is approximately
Options- A. 32,000 km
- B. 6,400 km
- C. 9,600 km
- D. 12,800 km Discuss
- 9. The Nobel Prize was first awarded in
Options- A. 1976
- B. 1958
- C. 1901
- D. 1972 Discuss
- 10. With which sport is the 'Choudhury Trophy' associated?
Options- A. Golf
- B. Circumnavigation of the earth by car
- C. Formula One racing
- D. Buggy-Jumping Discuss
More questions
Correct Answer: barium
Correct Answer: quality, quantity and duration of light
Correct Answer: Caspian sea
Correct Answer: troposphere, tropopause, stratosphere, stratopause, mesosphere, mesopause, ionosphere(thermosphere, thermopause, exosphere)
Correct Answer: 0.62
Correct Answer: eyes
Correct Answer: A. B. Vajpayee
Correct Answer: 6,400 km
Correct Answer: 1901
Correct Answer: Circumnavigation of the earth by car
Explanation:
Circumnavigating of the earth by car. This trophy has been named after Saloo and Neena Choudhury, ace car rallyists from Calcutta. It's in recognition of the couple's achievement in 1989 when they passed through all six continents in 69 days and repeated the same feat in 1991 in 39 days.
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