Recent questions tagged static

Description : How To Make Static in the Summer

Last Answer : Materials: Balloon Watch or clock Instructions Rub the balloon on your hair or sweater. Stick it to a wall and time how long it stays before falling down. Repeat step (1) in the bathroom, just after ... and static electricity does not build up as much as during the winter, when the air is very dry.

Description : How to Build a Static 3 Phase Converter

Last Answer : How to Build a Static 3 Phase Converter Static 3 phase converters enable offices and residents to conserve energy efficiently. In fact, electricity is available in 3 power phases, which enables ... converter and the necessary appliances that are needed in building the main and the remote appliances.

Description : Explain working of static AC circuit breaker. 

Last Answer : Static AC Circuit breaker: The circuit configuration of static AC circuit breaker using SCR is shown in the figure. When switch S' is closed, the SCRs T1 and T2 are fired in positive ... non-availability of gate current. Thus the maximum time delay for breaking the circuit is one half-cycle.

Description : Explain dynamic and static induced emf with neat diagram.

Last Answer : Dynamically Induced EMF:-  In this case, either coil moves or magnet moves, so that there is relative motion between coil & magnetic field. Thus magnetic field is cut by coil & emf is induced in it. The emf ... The expression for induced EMF is e= -L(di/dt) or = -N(dϕ/dt).

Description : List at least two examples that show how static electricity can be generated.

Last Answer : Examples of how static electricity can be generated include combing your hair, walking across a carpeted room, or sliding two pieces of plastic across each other.

Description : Which RAM is faster static or dynamic?

Last Answer : Static RAM are faster than dynamic RAM.

Description : Which of the following statements is not characteristic of a static magnetic field? (A) It is solenoidal. (B) It is conservative. (C) It has no sinks or sources. (D) Flux lines are always closed.

Last Answer : Which of the following statements is not characteristic of a static magnetic field? (A) It is solenoidal. (B) It is conservative. (C) It has no sinks or sources. (D) Flux lines are always closed.

Description : Dynamic friction as compared to static friction is?

Last Answer : Dynamic  friction  is   less  compared  to  static  friction.

Last Answer : The desirable static characteristics of a measuring system are accuracy, sensitivity and reproducibility.

Description : Static Synchronous Compensator (STATCOM)

Last Answer : Static Synchronous Compensator (STATCOM)  STATCOM stands for Static Synchronous Compensator or Condenser. It may be a source of reactive power or sink of reactive AC power. It can ... and Controllers etc. STATCOM have symmetric lead-lag capability. STATCOM have no moving part.

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