Q:

In a bipolar junction transistor

A) all the three regions (the emitter, the base and the collector) have equal concentrations of impurity	B) the emitter has the least concentration of impurity
C) the collector has the least concentration of impurity	D) the base has the least concentration of impurity

Answer & Explanation Answer: D) the base has the least concentration of impurity

Explanation:

In terms of concentration of impurity (a.k.a impurity doping concentration, often abbreviated to doping concentration), from the highest to the lowest among the three regions of a bipolar junction, emitter, collector, and base are the correct order. The above order is independent of the type of BJT, npn or pnp

Report Error

View Answer Report Error Discuss

Filed Under: Physics
Exam Prep: Bank Exams

1 2246

Q:

Japanese Ukiyo e prints depicted

A) Lord shiva	B) The everyday world
C) Flung ink	D) Shinto

Answer & Explanation Answer: B) The everyday world

Explanation:

Japanese Ukiyo-e prints depicted the everyday world or the transitory world we live.

Report Error

View Answer Report Error Discuss

Filed Under: General Awareness
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

1 2246

Q:

The main products of photosynthesis are

A) Oxygen	B) Sugar
C) Both A & B	D) Carbon dioxide

Answer & Explanation Answer: C) Both A & B

Explanation:

The two main products of photosynthesis are sugar and oxygen. Oxygen is emitted as waste product and sugar is used for energy preparation using sun light.

Report Error

View Answer Report Error Discuss

Filed Under: General Science
Exam Prep: AIEEE , Bank Exams , GATE
Job Role: Analyst , Bank Clerk , Bank PO

1 2246

Q:

Hitler launched Operation Barbarossa in 1941 against the

Answer

Soviet Union

Workspace

Report Error

View answer Workspace Report Error Discuss

Subject: World History

1 2246

Q:

Which was true of Pullman porters in the 1920s?

A) The porters could not start a union because it was illegal.	B) The porters needed a union because they were not treated well.
C) The porters did not need a union because they made good money.	D) The porters could not start a union because they were African American.

Answer & Explanation Answer: B) The porters needed a union because they were not treated well.

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: World History
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

0 2246

Q:

What is fragmentation?

Answer

Fragmentation occurs in a dynamic memory allocation system when many of the free blocks are too small to satisfy any request.

Workspace

Report Error

View answer Workspace Report Error Discuss

Subject: Operating Systems

1 2245

Q:

German Silver contains

A) 100% pure silver	B) 10% silver
C) 1% silver	D) 0% silver

Answer & Explanation Answer: D) 0% silver

Explanation:

German Silver is an alloy of copper, nickel and zinc. It is composed of 60% copper, 20% nickel and 20% zinc. Due to its white-silverish appearance it is named as german silver but it contains no silver in it.

Report Error

View Answer Report Error Discuss

Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams , GATE
Job Role: Analyst , Bank Clerk , Bank PO

0 2245

Q:

A body of 4.0 kg is lying at rest. Under the action of a constant force, it gains a speed of 5 m/s. The work done by the force will be____.

A) 50J	B) 30J
C) 20J	D) 40J

Questions

Quick Links