Numerade

Questions asked

BEST MATCH

A single-phase transformer has 400 primary and 1000 secondary turns. The net cross-sectional area of the core is 60 cm². The primary winding is connected to a 500 V supply. Find the (i) peak value of the core flux density and the (ii) emf induced in the secondary winding.

View Answer

BEST MATCH

What is the potential difference across the 20 ΩΩ resistor? Express your answer with the appropriate units.

View Answer

BEST MATCH

A pattern of symptoms characterized by anxiety and depression when their grown children leave home is known as: Proclamation Empty Nest Syndrome Mid-life Squeeze Stagnation

View Answer

BEST MATCH

What is the speed which a 12 in (30.48 cm ) long ruler, as measured in its own reference frame, must be moving with if its apparent length is 20 cm ?

View Answer

BEST MATCH

Question 13 The name of the IBM testing team came from: ? their dress ? the building ? their attitude ? the location 3 pts

View Answer

BEST MATCH

Marcus has an hour off this afternoon. He wants to study, exercise, and spend time with friends. Marcus should scratch whatever else he has on his schedule, so he has time for all three activities.

View Answer

BEST MATCH

The cost of tuition at a community college is given by C(x) = 477 + 71x, where x is the number of credit hours. Interpret the slope of this function as a rate of change. A. The tuition at the community college increases by $71 for each additional credit hour. B. The tuition at the community college increases by $477 for each additional 71 credit hours. C. The number of credit hours increases by 71 for each increase of $477 in tuition. D. The tuition at the community college increases by $477 for each additional credit hour.

View Answer

BEST MATCH

Which of the following is an advantage of the competitive market structure? Multiple Choice Competitive firms practice marginal-cost pricing. Competitive firms have greater ability to pursue research and development. Larger companies can produce goods more efficiently than smaller firms. Competitive firms make better use of economies of scale.

View Answer

BEST MATCH

Suppose that the number of bacteria in a certain population increases according to a continuous exponential growth model. A sample of 1000 bacteria selected from this population reached the size of 1164 bacteria in five hours. Find the hourly growth rate parameter. Note: This is a continuous exponential growth model. Write your answer as a percentage. Do not round any intermediate computations, and round your percentage to the nearest hundredth.

View Answer

BEST MATCH

This means that in 2005 approximately 3 people per 100,000 individuals were infected with both HIV and TB in Mexico. But how does this number compare to the population in India? Using the same preceding calculation methods, determine the highest number of people from India who were infected with both HIV and TB in 2005. 70 to 80 people per 100,000 individuals 5 to 10 people per 100,000 individuals 100 to 300 people per 100,000 individuals

View Answer

heather p.