TPC Batteries and DC Circuits with verified detailed answers
|| || || || || || || ||
In a simple electrical device, if you double the potential difference, the ____________
|| || || || || || || || || || || || ||
doubles. - ✔✔current || ||
If a potential difference of 200 V is applied across the field windings of a motor and the
|| || || || || || || || || || || || || || || || || ||
current drawn by || ||
the windings is 15 A, how much power is consumed by the windings? - ✔✔3.0 kW
|| || || || || || || || || || || || || || ||
If you move a 40 lb object 8 ft into the air and put it on a mezzanine, how much work do you
|| || || || || || || || || || || || || || || || || || || || || || ||
do? - ✔✔320 ft-lb
|| || ||
Which of the following is a formula for calculating the efficiency of electrical equipment? -
|| || || || || || || || || || || || || || ||
✔✔ExI(out) / ExI(in) || ||
If a motor can lift a 300 lb weight 15 ft in 10 seconds, how much power does the motor
|| || || || || || || || || || || || || || || || || || || ||
deliver? - ✔✔450 ft-lb/second || || ||
A shunt motor circuit in its simplest form is a dc ____________ circuit. - ✔✔parallel
|| || || || || || || || || || || || || ||
A SPDT switch is considered a ____________ switch. - ✔✔three-way
|| || || || || || || || ||
In every generator, the armature and field windings have a(n) - ✔✔internal resistance
|| || || || || || || || || || || ||
Tapped and sliding-contact resistors are commonly used as voltage - ✔✔dividers
|| || || || || || || || || ||
|| || || || || || || ||
In a simple electrical device, if you double the potential difference, the ____________
|| || || || || || || || || || || || ||
doubles. - ✔✔current || ||
If a potential difference of 200 V is applied across the field windings of a motor and the
|| || || || || || || || || || || || || || || || || ||
current drawn by || ||
the windings is 15 A, how much power is consumed by the windings? - ✔✔3.0 kW
|| || || || || || || || || || || || || || ||
If you move a 40 lb object 8 ft into the air and put it on a mezzanine, how much work do you
|| || || || || || || || || || || || || || || || || || || || || || ||
do? - ✔✔320 ft-lb
|| || ||
Which of the following is a formula for calculating the efficiency of electrical equipment? -
|| || || || || || || || || || || || || || ||
✔✔ExI(out) / ExI(in) || ||
If a motor can lift a 300 lb weight 15 ft in 10 seconds, how much power does the motor
|| || || || || || || || || || || || || || || || || || || ||
deliver? - ✔✔450 ft-lb/second || || ||
A shunt motor circuit in its simplest form is a dc ____________ circuit. - ✔✔parallel
|| || || || || || || || || || || || || ||
A SPDT switch is considered a ____________ switch. - ✔✔three-way
|| || || || || || || || ||
In every generator, the armature and field windings have a(n) - ✔✔internal resistance
|| || || || || || || || || || || ||
Tapped and sliding-contact resistors are commonly used as voltage - ✔✔dividers
|| || || || || || || || || ||
