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The current entering any junction is equal to the current leaving that junction. i 2 + i 3 = i 1 + i 4. This law, also called Kirchhoff's first law, or Kirchhoff's junction rule, states that, for any node (junction) in an electrical circuit, the sum of currents flowing into that node is equal to the sum of currents flowing out of that node; or equivalently:
The law is not derived in a way that can be applied to modern circuits. The law is presented as an approximation for slow systems, but modern circuits are not slow. Here is the formal argument. The current in the discussion of Kirchhoff’s law is the flux of charges with mass. Kirchhoff’s law then says that charges do not accumulate.
Parent trigger laws were first introduced by the Los Angeles Parents Union (LAPU), founded in 2006 by Green Dot Public Schools, a charter school organization. [7] [8] [9] Green Dot, led by Steve Barr, also conducted campaigns in Watts—using a pre-existing law for school transformation based on petitions from teachers—to transform public schools into charter schools.
For parents who disagree with the school's decisions, IDEA outlines the following dispute resolution guidelines: [21] "Stay Put" rights (If parents disagree with the school's decision, the student can stay put while the parents and school go through dispute resolution.) Mediation (This is an alternative to due-process hearings.)
Polish law distinguishes between compulsory school (obowiązek szkolny) and compulsory education (obowiązek nauki). Portugal: 6: 18: It is the law that children living in Portugal (if they're 6 years old or more) must go to school. Home schooling is available with registration at a school and quarterly examinations in the Portuguese curriculum ...
California became the first U.S. state to bar school districts from requiring staff to notify parents of their child’s gender identification change under a law signed Monday by Gov. Gavin Newsom.
Provides information for parents by requiring states and school districts to give parents detailed report cards on schools and districts explaining the school's AYP performance; schools must inform parents when their child is taught by a teacher or para-professional who does not meet "highly qualified" requirements
Most schools do not automatically provide parents a knowledgeable person to guide them through the IEP process. Parents usually have to do the research to know what their child's rights are and what the school can do to help their child. [13] IEP's are not automatically given to children whose parents believe they need special education resources.