13 If two sine waves of the same frequency have a phase difference of π radians, then a. when one wave reaches its maximum value, the other will reach its minimum value b. none of these c. both will reach their minimum values at the same instant d. both will reach their maximum values at the same instant 14: Specific heat capacity is constant for all materials Select one: True False 16: A heater is rated as 230 V, 10 kW, A.C. The value 230 V refers to a. peak voltage b. r.m.s. voltage c. none of these d. average voltage
13 If two sine waves of the same frequency have a phase difference of π radians, then a. when one wave reaches its maximum value, the other will reach its minimum value b. none of these c. both will reach their minimum values at the same instant d. both will reach their maximum values at the same instant 14: Specific heat capacity is constant for all materials Select one: True False 16: A heater is rated as 230 V, 10 kW, A.C. The value 230 V refers to a. peak voltage b. r.m.s. voltage c. none of these d. average voltage
Related questions
Question
13 If two sine waves of the same frequency have a phase difference of π radians, then
a.
when one wave reaches its maximum value, the other will reach its minimum value
b.
none of these
c.
both will reach their minimum values at the same instant
d.
both will reach their maximum values at the same instant
14: Specific heat capacity is constant for all materials
Select one:
True
False
16: A heater is rated as 230 V, 10 kW, A.C. The value 230 V refers to
a.
peak voltage
b.
r.m.s. voltage
c.
none of these
d.
average voltage
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 5 steps
