Hysteresis motor is particularly useful for high-quality record players and tape-recorders because

Hysteresis motor is particularly useful for high-quality record players and tape-recorders because Correct Answer it develops hysteresis torque which is extremely steady both in amplitude and phase

Bissoy MCQ

Related Questions

Average of the runs of 133 players of a team is 38. If the average of the runs of the male players is 43 and the average of the runs of the female players is 24, then what will be the ratio of the total runs of male players and the total runs of female players respectively?
The average age of 11 players of a cricket team decreases by 2 months when two new players are included in the team replacing two players of age 17 years and 20 years. The average age of new players is :
Statements : All players are spectators. Some spectators are theatres. Some theatres are dramas.

Conclusions :
I. Some dramas are spectators.
II. Some players are dramas.
III. Some theatres are players.
IV. All spectators are players.
A _____ means that one record in a particular record type may be related to more than one record of another record type.
A _____ means that one record in a particular record type is related to only one record of another record type.
If the area of hysteresis loop of a material is large, the hysteresis loss in this material will be
Question : In a cricket team, the average age of eleven players in 28 years. What is the age of the captain? Statements : a. The captain is eleven years older than the youngest player. b. The average age of 10 players, other than the captain is 27.3 years. c. Leaving aside the captain and the youngest player, the average ages of three groups of three players each are 25 years, 28 years and 30 years respectively.
Statements followed by some conclusions are given below. Statements : 1. Some football players are cricketers. 2. All hockey players love football though some are cricketers. Conclusions : I. Some hockey players who are cricketers play football too. II. There is at the most one cricketer who plays football and hockey. Find which of the given conclusions logically follows from the given statements.
Statement : India's performance in the recent Olympic Games was very poor. Not even a single medal could be bagged by the players. Government has spent Rs. 5 crores in training and deputing a team of players to participate in the Olympic Games.

Courses of Action :
I. India should stop sending players to the future Olympic Games.
II. Government should immediately set up an enquiry commission to find out the reason for India's dismal performance.
The average of 11 players of a cricket team is decreased by 2 months when two of them aged 17 years and 20 years are replaced by two new players. The average age of the new players is-