what is the duty cycle of the PWM MULTIPLE CHOICE Choose the one alternative tha

Question

what is the duty cycle of the PWM MULTIPLE CHOICE Choose the one alternative that best completes the statement or answers the question DWhat is the duty cydle of the PWM output for the following analog Wrie 5,193) A)25% B)50% C)75% D) 128% 2) UNO can source (provide current) or sink (absorb current) up to A) 40 mA B) 100 mA9v C) 4 mA D)100? 3) If analogRead) has a count value of 512 what is the voltage value at the A/D pin? A) 3.75V B)25v 40V D) 125 V How many Analog imput pins does the UNO have? A) 6 B) 13 C)5 D) 0 5) How do you access a variable in an array? A) access code B) variable search C) parsing method D) index number 6) How many times will the loop run for the following code int a, for(a=1; a

Explanation / Answer

1. analogwrite(0)=0% duty cycle

analogwrite(64)=25% duty cycle

analogwrite(127)=50% duty cycle

analogwrite(191)=75% duty cycle----------->option C

analogwrite(255)=100% duty cycle

2. arduino uno can provide or absorb currents upto 40 ma---->option A

4. UNO have 6 analog input pins-----> option A

5. variables in arrays are accessed by using index numbers----->option D

6. loop run for 14 times--->option B

7. condition not required for for loop---->option C

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