Electrical 2 module 1 Questions with
100% Correct Answers Updated &
Verified
The ‘hertz ‘rating ‘of ‘a ‘ac ‘circuit ‘is ‘__ ‘if ‘the ‘frequency ‘is ‘20 ‘cycles ‘per ‘1/2 ‘second ‘- ‘correct ‘Answers
‘✔✔ ‘-40 ‘hertz
A ‘circuit ‘has ‘an ‘rms ‘voltage ‘of ‘120vac, ‘the ‘peak ‘voltage ‘is? ‘- ‘correct ‘Answers ‘✔✔ ‘-170v
The ‘turns ‘ratio ‘of ‘a ‘transformer ‘with ‘200 ‘turns ‘into ‘primary ‘and ‘100 ‘turns ‘in ‘the ‘secondary ‘is ‘__ ‘-
‘correct ‘Answers ‘✔✔ ‘-2:1
Opening ‘the ‘secondary ‘of ‘a ‘CT ‘(current ‘transformer) ‘underload ‘will ‘cause? ‘- ‘correct ‘Answers ‘✔✔ ‘-
Dangerously ‘high ‘voltages
A ‘circuit ‘has ‘a ‘peak ‘voltage ‘of ‘275 ‘V ‘the ‘average ‘voltage ‘is. ‘How ‘do ‘you ‘get ‘that? ‘- ‘correct
‘Answers ‘✔✔ ‘-175.175v. ‘275x.637
Three ‘equal ‘capacitors ‘in ‘series ‘has ‘__ ‘of ‘the ‘applied ‘voltage ‘- ‘correct ‘Answers ‘✔✔ ‘-1/3
The ‘formula ‘for ‘inductive ‘reactance ‘is ‘- ‘correct ‘Answers ‘✔✔ ‘-X(L) ‘=2(pie)(f)(l)
Current ‘an ‘inductive ‘circuit ‘__ ‘the ‘voltage ‘- ‘correct ‘Answers ‘✔✔ ‘-Lags ‘behind
The ‘current ‘an ‘AC ‘circuit ‘With ‘resistance ‘only ‘is ‘__. ‘the ‘circuit ‘has ‘a ‘resistance ‘of ‘15 ‘ohms ‘and ‘a
‘voltage ‘of ‘150 ‘V ‘- ‘correct ‘Answers ‘✔✔ ‘-10 ‘amps
The ‘calculations ‘in ‘AC ‘circuits ‘are ‘done ‘using ‘__ ‘unless ‘stated ‘otherwise ‘- ‘correct ‘Answers ‘✔✔ ‘-
Effective ‘voltage ‘value
Capacitive ‘reactance ‘__ ‘when ‘Frequency ‘increases ‘- ‘correct ‘Answers ‘✔✔ ‘-Decreases
The ‘current ‘in ‘a ‘capacitive ‘of ‘circuit ‘__ ‘the ‘voltage ‘- ‘correct ‘Answers ‘✔✔ ‘-Leads
The ‘average ‘value ‘of ‘a ‘AC ‘sine ‘wave ‘is ‘__ ‘times ‘the ‘peak ‘value ‘- ‘correct ‘Answers ‘✔✔ ‘-0.637
100% Correct Answers Updated &
Verified
The ‘hertz ‘rating ‘of ‘a ‘ac ‘circuit ‘is ‘__ ‘if ‘the ‘frequency ‘is ‘20 ‘cycles ‘per ‘1/2 ‘second ‘- ‘correct ‘Answers
‘✔✔ ‘-40 ‘hertz
A ‘circuit ‘has ‘an ‘rms ‘voltage ‘of ‘120vac, ‘the ‘peak ‘voltage ‘is? ‘- ‘correct ‘Answers ‘✔✔ ‘-170v
The ‘turns ‘ratio ‘of ‘a ‘transformer ‘with ‘200 ‘turns ‘into ‘primary ‘and ‘100 ‘turns ‘in ‘the ‘secondary ‘is ‘__ ‘-
‘correct ‘Answers ‘✔✔ ‘-2:1
Opening ‘the ‘secondary ‘of ‘a ‘CT ‘(current ‘transformer) ‘underload ‘will ‘cause? ‘- ‘correct ‘Answers ‘✔✔ ‘-
Dangerously ‘high ‘voltages
A ‘circuit ‘has ‘a ‘peak ‘voltage ‘of ‘275 ‘V ‘the ‘average ‘voltage ‘is. ‘How ‘do ‘you ‘get ‘that? ‘- ‘correct
‘Answers ‘✔✔ ‘-175.175v. ‘275x.637
Three ‘equal ‘capacitors ‘in ‘series ‘has ‘__ ‘of ‘the ‘applied ‘voltage ‘- ‘correct ‘Answers ‘✔✔ ‘-1/3
The ‘formula ‘for ‘inductive ‘reactance ‘is ‘- ‘correct ‘Answers ‘✔✔ ‘-X(L) ‘=2(pie)(f)(l)
Current ‘an ‘inductive ‘circuit ‘__ ‘the ‘voltage ‘- ‘correct ‘Answers ‘✔✔ ‘-Lags ‘behind
The ‘current ‘an ‘AC ‘circuit ‘With ‘resistance ‘only ‘is ‘__. ‘the ‘circuit ‘has ‘a ‘resistance ‘of ‘15 ‘ohms ‘and ‘a
‘voltage ‘of ‘150 ‘V ‘- ‘correct ‘Answers ‘✔✔ ‘-10 ‘amps
The ‘calculations ‘in ‘AC ‘circuits ‘are ‘done ‘using ‘__ ‘unless ‘stated ‘otherwise ‘- ‘correct ‘Answers ‘✔✔ ‘-
Effective ‘voltage ‘value
Capacitive ‘reactance ‘__ ‘when ‘Frequency ‘increases ‘- ‘correct ‘Answers ‘✔✔ ‘-Decreases
The ‘current ‘in ‘a ‘capacitive ‘of ‘circuit ‘__ ‘the ‘voltage ‘- ‘correct ‘Answers ‘✔✔ ‘-Leads
The ‘average ‘value ‘of ‘a ‘AC ‘sine ‘wave ‘is ‘__ ‘times ‘the ‘peak ‘value ‘- ‘correct ‘Answers ‘✔✔ ‘-0.637
