The drift velocity does not depend upon
The drift velocity does not depend upon
Options
(a) cross-section of the wire (b) length of the wire (c) number of free electrons (d) magnitude of current
Correct Answer:
length of the wire
Questions
If oxygen has root mean square velocity of C m/s, then root mean square velocity of H
If oxygen has root mean square velocity of C m/s, then root mean square velocity of hydrogen will be
Options
(a) C m/s (b) 1 / C m/s (c) 4C m/s (d) C […]
The radius of a nucleus of mass number A is directly proportional to
The radius of a nucleus of mass number A is directly proportional to
Options
(a) A³ (b) A (c) A²/³ (d) A¹/³
Correct Answer:
A¹/³
Explanation:
No explanation available. Be the first to […]
A resistance of 20 ohm is connected to a source of an alternating potential V
A resistance of 20 ohm is connected to a source of an alternating potential V=220 sin (100 πt). The time taken by the current to change from its peak value to r.m.s value is
Cuscuta is an example of
Cuscuta is an example of
Options
(a) ectoparasitism (b) brood parasitism (c) predation (d) endoparasitism
Correct Answer:
ectoparasitism
Explanation:
Cuscuta, or Dodder plant, is a parasitic plant that wraps around other plants for […]
Montreal protocol aims at
Montreal protocol aims at
Options
(a) Biodiversity conservation (b) Control of water pollution (c) Control of CO2 emission (d) Reduction of ozone depleting substances
Correct Answer:
Control of water pollution
Explanation:
No explanation […]
Good ozone is found in the
Good ozone is found in the
Options
(a) mesosphere (b) troposphere (c) stratosphere (d) ionosphere
Correct Answer:
stratosphere
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
Eutrophication is often seen in
Eutrophication is often seen in
Options
(a) deserts (b) fresh water lakes (c) ocean (d) mountains
Correct Answer:
fresh water lakes
Explanation:
No explanation available. Be the first to write the explanation for this […]
Kyoto Protocol was endorsed at :
Kyoto Protocol was endorsed at :
Options
(a) CoP – 5 (b) CoP – 6 (c) CoP – 4 (d) CoP – 3
Correct Answer:
CoP – 3
Explanation:
No explanation available. Be […]
Natural reservoir of phosphorus is :
Natural reservoir of phosphorus is :
Options
(a) Animal bones (b) Rock (c) Fossils (d) Sea water
Correct Answer:
Rock
Explanation:
The natural reservoir of phosphate is rock which contains phosphorus in the form […]