D I think because none of the others seem like very important things,
<span>The customer's endpoint device on the WAN is called the Data Terminal Equipment (DTA).
WAN is wide area network, referring to a network that extends over a large area. DTA is an end instrument which converts information into signals.</span>
The keys in all rows that's sit between the touch keys are the stretch key
In any electrical installation, some current will flow through the protective ground conductor to ground. This is usually called leakage current. Leakage current most commonly flows in the insulation surrounding conductors and in the filters protecting electronic equipment around the home or office. So what's the problem? On circuits protected by GFCIs (Ground Fault Current Interrupters), leakage current can cause unnecessary and intermittent tripping. In extreme cases, it can cause a rise in voltage on accessible conductive parts.
Answer:
A transformer is an electrical device which, by the principles of electromagnetic induction, transfers electrical energy from one electric circuit to another, without changing the frequency. The energy transfer usually takes place with a change of voltage and current.
The major function of a transformer is to step up or step down the voltage in an Alternate Current (AC) circuit.
