La resistencia total de tres resistores en paralelo con valores de 5, 20 y 50 ohmios es de _____ ohmios.
a. 2,5
b. 3,7
c. 25
d. 75
b. 3,7
You might also like to view...
When making measurements, ____________ is at zero potential with respect to other points in the circuit.
Fill in the blank(s) with the appropriate word(s).
Answer the following statement(s) true (T) or false (F)
1. The type of three-phase service is determined by the type of secondary transformer connection supplied by the power company. 2. Fuses are connected in series with the load 3. Many circuit breaker panels are designed to employ half-size circuit breakers. 4. The fall-of-potential test requires the use of a ground resistance meter. 5.The clamp-on ground resistance test has several advantages over the three-point fall-of-potential test.
Compute the vertical deflection at B and the horizontal deflection at C in Figure P8.37. Given: A CD = 3 in. 2 , I AC = 160 in. 4 , A AC = 4 in. 2 , and E = 29,000 kips/in. 2 . Consider the strain energy produced by both axial and flexural deformations.
In a single radial lip or oil seal the should be installed with the seal lip facing
__________. A. in B. out C. does not matter D. could be in or out depending on the application