Questions for Experiment $13$

$1.$ A split supply has:

$($a$)$ only coe outpot voltage;

$($b$)$ only a positive output voltage;

$($c$)$ only a

negative culput woltage;

$($d$)$ positive and negative outputs.

$2.$ The value of $\backslash ($ V$\_\{1\}\backslash )$ to the positive zener regulator is closest io:

$($a$)\backslash (5\backslash$mathrm$\{$~V$\}\_\{$i$\}\backslash )$

$($b$)10$ V ;

$($c$)15$ V

$($d$)20$ V $.$

$3.$ When $\backslash ($ R$\_\{\backslash$text $\{$I $\}\}\backslash )$ increases in Table $13-2,$ the incasured positive output voliage:

$($a$)$ decreases slighaly;

$($b$)$ remains the same;

$($c$)$ increases slightly.

$4.$ Theoretically, the positive zener regulator of Fig. $13-1$ attenuates the ripple by a factor of approximately:

$($a$)10$ ;

$($b$)20$;

$($c$)50$ ;

$($d$)100.$

$5.$ The current through cither series resistor of Fig. $13-1$ is closest to:

$($a$)5$ mA ;

$($b$)10$ mA ;

$($c$)\backslash (15\backslash$mathrm$\{$~m$\}/\backslash )$;

$($d$)20$ mA $.$

$6.$ Explain how the positive zener regulator of Fig. $13-1$ works.