Tag: science & technology

Question 1

The Salt of which of these Metals is likely to give a 'Golden Yellow' Flame on the Bunsen Burner

Answer

Correct Option: C

Question 2

The salt of which of these metals is likely to produce a "LILAC" dolor-ed flamed in the Bunsen Burner

Answer

Correct Option: C

Question 3

The salt of which of these metals is most likely to emit a "Bluish Green" Flame in the Bunsen burner?

Answer

Correct Option: C

Question 4

The salt of which if these metals is the most likely to emit a "Bright Red" Flame under the Bunsen Flame?

general knowledge science & technology

Answer

Correct Option: C

Question 5

The salt of which of the following metals is most likely to emit "Yellow Sparks" in the Bunsen Flame?

Answer

Correct Option: C

Question 6

Who discovered Electrical Resistance?

Answer

Correct Option: A

Question 7

What is resistivity?

Resistivity is a measure of the material's ability to dispose electric current.
Resistivity is a measure of the material's ability to increase electric current flow through it.
Resistivity is a measure of the material's ability to decrease electric current flow through it.
Resistivity is a measure of the material's ability to oppose electric current.

Answer

Correct Option: D

Question 8

Which is the formula of Ohm's law? Given, R= Resistance, V= potential difference, I= current.

Answer

Correct Option: C

Question 9

The resistance of fixed-length wire is more when its thicker.

Answer

Correct Option: A

Question 10

The resistance of a fixed cross-section wire decreases with increase in its length.

Answer

Correct Option: B