Kirchhoff's laws are (select 2): Group of answer choices 1. The sum of all currents around a loop is zero 2. The current weakens as you move through each circuit element 3. The voltage into a junction equals to voltage out of the junction 4. The total current into a junction equals the total current out of the junction 5. The voltage drop across all elements in a circuit is the same 6. The sum of all voltage changes around a loop is zero

Correct answers are: 4 and 6

Explanation:

First of all this law is very important and almost every where this law is used in current and according to this law,

1. All incoming current to a particular junction is equal to all out going current from that junction .

2. Sum of all the voltage drop across all the element in the particular loop is zero

Current: it is rate of change of charge per unit time and denoted by I.

V=IR

Hence correct options are: 4 and 6

answer: at 24 february, 2014 the population gets twice of its initial population.

explanation:

since we have given that

the population for alpha city, t years after january 1, 2004 is given as

first we find out the initial population, i.e. t=0,

so, our quadratic equation becomes,

according to question, we have said that if the population has twice its initial population, then it becomes

so, time taken to reach this above mentioned population is given by

now, we know that time can't be negative so, we take t=9.149 years.

hence, at 24 february, 2014 the population gets twice of its initial population.